英语中有关吃的单词的中英文

与天气有关的英语词汇大全

与天气有关的英语词汇大全frost 霜 snow 雪 thunder 雷 wind 风 cloud 云 haze 霾 rain 雨 land wind 陆风 hail 冰雹 snowflake 雪花 mist 薄雾 rainfall 降雨 downpour 暴雨 shower 阵雨 storm, tempest 暴风雨/雪 thundershower 雷阵雨 sleet 雨夹雪；雹；冻雨 hail/hailstone 冰雹 frosty 霜冻 sandstorm 沙尘暴 lightning 闪电 hurricane 飓风 tornado 旋风；龙卷风 cyclone 旋风 typhoon 台风

whirlwind 龙卷风 breeze 微风 gust of wind 阵风 breeze 微风 fog 浓雾 dew 露水 drizzle 毛毛雨 humidity 湿度 drought 干旱 high temperature 高温 less rainfall 少雨 cold snap 寒潮 stormy wind 暴风 ice rain 冻雨 waterspout 海上龙卷风 Tsunami 海啸 Indian summer: a period of unusually dry, warm weather occurring in late autumn 深秋干暖的气候，小阳春,秋老虎 (a period of happiness or success occurring late in life晚年的幸福时光；兴旺的晚年) desertification 沙漠化 sandstorm 沙尘暴 sand and dust weather 沙尘天气 天气预报常用词组 fine becoming cloudy 晴天转阴 cloudy with occasional showers 阴，有阵雨

英语文化类词汇

qq137701368 All Saint’s Day 万圣节 American plan约能源(旅馆的）美国式收费式a soft job 轻松的工作 a widow’s mite 礼轻情义重 beefcake 男性健美照 be free to practice one’s religion 宗教信仰自由“bifocal” vision “双重”视野 break with old customs 抛弃传统 busboy （饭店的）洗碗擦桌子的杂工 Catch-22 无法摆脱的困难；难以逾越的障碍civic values 大众价值观 clash with civilizations 文明的碰撞consumerist creed 消费至上主义 corporate culture 企业文化 country fair 乡村博览会 cross-cultural bridge 跨文化桥梁 cultural borrowing 文化借用 cultural complex 文化情结 cultural development 文化建设 cultural devolution 文化退化 cultural hegemony 文化霸权 cultural identity 文化认同 cultural impact 文化影响 cultural insights 文化视角 cultural lag 文化落后 cultural manifestation 文化诉求 cultural misreading 文化误读 cultural pluralism; multiculturalism 文化多元化culture area 文化区 culture of tolerance 宽容的文化 culture-oriented travel 文化旅游 culture trait 文化特质 dialogue among civilizations 文明间的对话dinner etiquette 餐桌礼仪 dominant culture 主导文化 ethnic origin 种族起源

新闻传媒英语专业词汇

传播Communication 内向/自我传播Intrapersonal Communication 人际传播Interpersonal Communication 群体传播Group Communication 组织传播Organization Communication 大众传播Mass Communication 单向传播One-Sided Communication 双向传播Two-Sided Communication 互动传播Interactive Communication 媒介Media 大众传播媒介Mass Media 新媒介New Media 新闻洞News Hold 新闻价值News Value 传播者Communicator 主动传播者Active Communicator 受传者/受众/阅听大众Audience 受众兴趣Audience Interest 受众行为Audience Activity 信息Information 信号Signal 讯息Message 信息熵Entropy 冗余/冗余信息Redundancy 传播单位Communication Unit 奥斯古德模式Osgood Model 编码Encode 解码Decode 信源Source 传播的数学理论Mathematical Theory of Communication 传播渠道Communication Channel 有效传播Effective Communication 传播效果Effects 知识沟Knowledge-Gap 使用与满足模式Uses and Gratifications Model 使用与依从模式Uses and Dependencys Model 口传系统System of Oral Communication 地球村Global Village 内爆Implosion 全球化Globalization 本土化Localization 数字化Digitalization 电子空间Cyber Space 文化帝国主义Culture Imperialism 跨文化传播Intercultural Communication 守门人Gatekeeper 新闻采集者News Gatherers 新闻加工者News Processors

文化类英语词汇

cultural diversity 文化多元化 cultural treasures 文化宝藏 cross-cultural communication 跨文化交流 spiritual civilization 精神文明 heritage 遗产 tear down 拆除 humane historical sites 人文历史遗址 preserve the cultural relics 保护文化遗产 city construction 城市建设 driving force 驱动力 reconstruct 重建 destruct 破坏 architectural industry 建筑工业 map out 制定出 city designing 城市设计 beautify our life 美化我们的生活 human civilization 人类文明 cradle of culture 文化摇篮 mainstream culture 主流文化 cultural traditions 文化传统 national pride 民族自豪 local customs and practices 风土人情 attra ct people’s eyes 吸引人们的眼球 be closely interrelated with… 与…有密切关系 adhere to the tradition 坚持传统 carry forward … 弘扬… cultural needs 文化需求 reputation 声望 give publicity to… 宣传… cause irreversible damage 造成不可逆转的损失national identity and value 民族特性和价值观 remove prejudice and misunderstanding 消除偏见和误解symbol 象征 enjoy great popularity 广受欢迎 cultural devolution 文化退化 cultural insights 文化视角 learn about the would 了解世界 a thrilling experience 一种令人激动的经历 abstract 抽象的 concrete 具体的 move somebody to tears 使…感动落泪 get relaxed and entertained 得到放松和娱乐 has its value 有其自己价值 inspiration 灵感

新闻中常见英语词汇

一．国际事务： negotiations，delegate，delegation，summit 峰会 charter n. 特许状，执照，宪章 pledge n. 诺言，保证，誓言，抵押，信物，保人，祝愿vt. 许诺，保证，使发誓，抵押，典当，举杯祝……健康 vt. 特许，发给特许执照 promote peace 促进和平 boost economic co-op 加强经济合作 make concession/compromise 作出妥协 pass a resolution 通过决议 sanction n. 核准，制裁，处罚，约束力 vt. 制定制裁规则，认可，核准，同意 default n. 违约，不履行责任，缺席，默认值 vt. 疏怠职责，缺席，拖欠，默认 vi. 疏怠职责，缺席，拖欠，默认 veto a bill 否决议案 break the deadlock 打破僵局 a scientific breakthrough 科学突破 an unexpected outcome 出乎意料的结果 sign/ratify an accord/deal/treaty/pact/agreement 签署协议diplomatically isolated country 在外交上被孤立的国家diplomatic solutions 外交解决方案 hot spot 热点 take hostilities toward..... 对……采取敌对态度 ethnic cleansing 种族排斥 refugee，illegal aliens 非法移民 mediator 调解员 national convention 国民大会 fight corruption 反腐败 corrupted election 腐败的选举 peace process 和平进程 give a boost to... 促进 booming economy 促进经济发展 mutual benefits/interests 双赢 Defense Minister，evacuate，flee from Pentagon 五角大楼impose/break a deadline 规定/打破最后期限 retaliate 报复 banking reform 金融改革 commissioner 代表 go bankrupt 破产 file for bankruptcy 提出破产 deputy 代表

英语词汇拓展 英英释义+中英释义

Vocabulary Worksheet #1-6 Worksheet #1 Ruin: the remain of a building, a city… Debris: the remain of anything broken down or destroyed Litter: objects strewn or scattered about Remind: to cause to remember, to cause to think Dissuade: to deter by advice or persuasion (with object) Hesitate: pause (without object) Terminate: to bring to an end Overflow: to flow or run over Ooze: thicker; to flow, percolate or exude slowly Gush: to flow out or issue suddenly Trickle: to flow or fall by drop Rip: to cut or tear apart Fray: to wear to loose Crease: a ridge or groove produce Expedition: an excursion, journey or voyage made for made specific purpose Trek: to travel or migrate, especially slowly or with difficult Journey: long trip Excursion: short trip Discard: to cast aisle or dispose of, get rid of (sb. or sth.) as not longer useful or desirable (with object) Abandon: cease to support or tack after sb. Stall: stop or cause to stop making progress Pile: a heap of things laid or lying one on top of another Suite: a set of rooms designated for one person or family’s use or for a particular purpose Cluster: a number of things of the same kind, growing or held together Subscribe: to give or pay in fulfillment of such a pledge Worksheet #2 Butler: the chief manservant of a house Housekeeper: employed to manage a household (female) Caretaker: employed to look after a building Undertaker: preparing dead bodies for burial or cremation and making arrangement for funerals Budget: Financial Approve: officially agree to or accept as satisfactory Condone: accept (behavior that is considered morally wrong or offensive) Object: say sth. to express one’s disapproval with sth. Decline: politely refuse (an invitation or offer) Withdraw: remove or take away sth. from a particular place or position Forfeit: lose or be deprived of (property a right or privilege) as a penalty for wrongdoing (with object) Regulate: control (something, especially a business activity) by means of rules and regulations Hack off: annoy or infuriate sb. Chop: cut into piece Extract: remove or take our, especially by effort or force Amputate: cut off (a limb) by surgical operation

与天气有关的英语词汇大全

与天气有关的英语词汇大全 frost 霜 snow 雪 thunder 雷 wind 风 cloud 云 haze 霾 rain 雨 land wind 陆风 hail 冰雹 snowflake 雪花 mist 薄雾 rainfall 降雨 downpour 暴雨 shower 阵雨 storm, tempest 暴风雨/雪 thundershower 雷阵雨 sleet 雨夹雪；雹；冻雨 hail/hailstone 冰雹 frosty 霜冻 sandstorm 沙尘暴 lightning 闪电 hurricane 飓风 tornado 旋风；龙卷风 cyclone 旋风 typhoon 台风 whirlwind 龙卷风 breeze 微风 gust of wind 阵风 breeze 微风 fog 浓雾 dew 露水 drizzle 毛毛雨 humidity 湿度 drought 干旱 high temperature 高温 less rainfall 少雨 cold snap 寒潮 stormy wind 暴风 ice rain 冻雨 waterspout 海上龙卷风 Tsunami 海啸 Indian summer: a period of unusually dry, warm weather occurring in late autumn 深秋干暖的

气候，小阳春,秋老虎 (a period of happiness or success occurring late in life晚年的幸福时光；兴旺的晚年) desertification 沙漠化 sandstorm 沙尘暴 sand and dust weather 沙尘天气 天气预报常用词组 fine becoming cloudy 晴天转阴 cloudy with occasional showers 阴，有阵雨 cloudy with scattered showers 阴，局部阵雨 cloudy at first，becoming fine 阴转晴 fine apart from isolated showers 晴，局部阵雨 cloudy becoming fine 多云转晴 maximum/minimum temperature 最高/最低温度 fair to cloudy 晴到多云 extreme weather 极端天气El Nino phenomenon 厄尔尼诺现象 La Nina phenomenon 拉尼娜现象 其他相关词汇 weather modification 人工影响天气 artificial precipitation/rainfall enhancement 人工增雨 artificial rainfall infiltration 人工降雨 forestation 植树造林 air quality rating 空气质量评级 visibility 能见度 adverse weather condition 恶劣的天气状况 thermometer [θ?` m ?m i t?]温度计 dead calm 风平浪静 rain check 因……而取消，延期 rain or shine 风雨无阻 meteorology [m i t i ?`r ?l ? d? i] 气象学 atmosphere 大气 element 自然力量 observatory 气象台 weather man 天气预报员 Three-North Shelter Forestation Project “三北防护林”工程 arid and semi-arid areas 干旱和半干旱地区 topsoil 表土层 rain cats and dogs 倾盆大雨

文化领域相关英语词汇

文化领域相关英语词汇 1．文化体制改革reform of cultural administrative system 2．文化（事业内部）机制改革internal reform of cultural institutions 3．文化事业public cultural undertakings 4．文化产业cultural industries 5．文化事业单位cultural institutions 6．社会文化和图书馆事业work of community culture and libraries 7．经营性文艺演出commercial (art and cultural) performance 8．经营性文化单位cultural enterprises 9．“全国舞台精品工程”Works of Excellence on the Nation’s Stage 10．“文化扶贫计划”Culture-aid Program/Cultural Aid Program 11．“全国文化信息资源共享工程” National Project for the Sharing of Cultural Information and Resources 12．“国家清史纂修工程”National Project for the Recompilation of Qing Dynasty History 13．“三下乡”（文化、科技、卫生） Bringing Culture/Science and Technology/Hygienic Health to the Countryside 14．“群星奖”

常用新闻英语词汇

11.常用新闻英语词汇. 政治、法律、外交 1. Abortive coup attempt流产政变 2. Absent trial缺席审判 3. Absentee voting缺席投票 1 4. Absolute majority绝对多数 5. Absolute monarchy君主专制政体 6. Abstain from voting放弃,不投票 7. Abstention弃权 8. Accord协定,一致 9. Accredited journalist特记者 10. Acting president代总统 11. Action platform行动纲领 12. Action policy行动方针,实施方针 13. Administration party执政党 14. Administrative authorities行政当局 15. Administrative injunction行政命令 16. Administrative policy speech施政演 17. Advanced countries发达国家 18. Advisory body顾问团 19. Advisory committee咨询委员会 20. Agenda会议事项,议事日程 21. Agreed formula商定的方安 22. Aid-giving agency援助机构 23. Alien domination外国统治 24. Allied powers同盟国 25. All-out ban全面禁止 26. Ambassador-at-large巡回大使 27. Ambassador extraordinary and plenipotentiary特命全权大使 28. Amendment修正案,附加条款 29. Amicable relation友好关系 30. Amnesty 31. Anarchy大赦 32. Annex(领土)合并,兼并 33. Anxious澳、新、美三国防御体系 34. Appeasement policy绥靖政策 35. Appropriate authorities有关当局

很有用的表示天气的英语单词

关于天气的英文表达 1、天气状况 Clear=晴朗 Cloudy=多云 Cloudy / Wind=阴时有风 Clouds Early / Clearing Late=早多云/晚转晴Drifting Snow=飘雪 Drizzle=毛毛雨 Dust=灰尘 Fair=晴 Few Showers=短暂阵雨 Few Snow Showers=短暂阵雪 Few Snow Showers / Wind=短暂阵雪时有风Fog=雾 Haze=薄雾 Hail=冰雹 Heavy Rain=大雨 Heavy Rain Icy=大冰雨 Heavy Snow=大雪 Heavy T-Storm=强烈雷雨 Isolated T-Storms=局部雷雨 Light Drizzle=微雨 Light Rain=小雨 Light Snow=小雪

Light Snow Fall=小降雪 Light Snow Grains=小粒雪 Light Snow Shower=小阵雪Lightening=雷电 Mist=薄雾 Smog=烟雾 Snow=雪 Snow / Rain Icy Mix=冰雨夹雪 Snow and Fog=雾夹雪 Snow Shower=阵雪 Snowflakes=雪花 Sunny=阳光 Sunny / Wind=晴时有风 Sunny Day=晴天 Thunder=雷鸣 Thunder in the Vicinity=周围有雷雨2、气象用语 天气预报 weather forecast] 晴 clear 阴天 cloudy day 炎热 scorching heat 闷热天气 muggy weather 反常天气 freakish weather

传统文化类英文词汇汇总

传统文化类英文词汇汇总艺术及工艺Arts and Crafts 版画engraving 贝雕画shell carving picture 彩塑painted sculpture 瓷器porcelain; china 刺绣embroidery 雕刻carving 宫灯palace lantern 国画Chinese painting 剪纸paper-cut 景德镇瓷Jingdezhen porcelain 景泰蓝cloisonnéenamel；cloisonné 蜡染batik 卖秸画straw patchwork 木/石/竹刻wood/stone/bamboo carving 木刻画wood engraving 泥人儿clay figure

皮影shadow puppet 漆画lacquer painting 漆器lacquer ware 双面绣two-sided embroidery 水墨画Chinese brush drawing ; ink and wash painting 檀香扇sandalwood fan 唐三彩Tang tri-colored pottery 陶器pottery ; earthenware 图章seal 拓碑making rubbings from inscriptions , pictures , etc . on stone tablets 拓片rubbing 微雕miniature engraving 象牙雕刻ivory carving 宜兴陶Yixing pottery 篆刻seal cutting 戏剧表演Theatrical Performances 京剧人物脸谱types of facial makeup in Beijing opera 生male characters

新闻传播专业英语专业词汇整理大全

传播学英语专业词汇 传播 Communication 内向/自我传播 Intrapersonal Communication 人际传播 Interpersonal Communication 群体传播 Group Communication 组织传播 Organization Communication 大众传播 Mass Communication 单向传播 One-Sided Communication 双向传播 Two-Sided Communication 互动传播 Interactive Communication 媒介 Media 大众传播媒介 Mass Media 新媒介 New Media 新闻洞 News Hold 新闻价值 News Value 传播者 Communicator 主动传播者 Active Communicator 受传者/受众/阅听大众 Audience 受众兴趣 Audience Interest 受众行为 Audience Activity 信息 Information 信号 Signal 讯息 Message 信息熵 Entropy 冗余/冗余信息 Redundancy 传播单位 Communication Unit 奥斯古德模式 Osgood Model 编码 Encode 解码 Decode 信源 Source 传播的数学理论 Mathematical Theory of Communication 传播渠道 Communication Channel 有效传播 Effective Communication 传播效果 Effects 知识沟 Knowledge-Gap 使用与满足模式 Uses and Gratifications Model 使用与依从模式 Uses and Dependencys Model 口传系统 System of Oral Communication 地球村 Global Village 内爆 Implosion 全球化 Globalization 本土化 Localization 数字化 Digitalization 电子空间 Cyber Space

中国文化的英文单词汇总

中国文化的英文单词汇总 1. 元宵节： Lantern Festival 2. 刺绣：embroidery 3. 重阳节：Double-Ninth Festival 4. 清明节：Tomb sweeping day 5. 剪纸：Paper Cutting 6. 书法：Calligraphy 7. 对联：(Spring Festival) Couplets 8. 象形文字：Pictograms/Pictographic Characters 9. 人才流动：Brain Drain/Brain Flow 10. 四合院：Siheyuan/Quadrangle 11. 战国：Warring States 12. 风水：Fengshui/Geomantic Omen 13. 铁饭碗：Iron Bowl 14. 函授部：The Correspondence Department 15. 集体舞：Group Dance 16. 黄土高原：Loess Plateau 17. 红白喜事：Weddings and Funerals 18. 中秋节：Mid-Autumn Day 19. 结婚证：Marriage Certificate 20. 儒家文化：Confucian Culture 21. 附属学校：Affiliated school 22. 古装片：Costume Drama 23. 武打片：Chinese Swordplay Movie

24. 元宵：Tangyuan/Sweet Rice Dumpling (Soup) 25. 一国两制：One Country, Two Systems 26. 火锅：Hot Pot 27. 四人帮：Gang of Four 28. 《诗经》：The Book of Songs 29. 素质教育：Essential-qualities-oriented Education 30. 《史记》：Historical Records/Records of the Grand Historian 31. 大跃进：Great Leap Forward (Movement) 32. 《西游记》：The Journey to the West 33. 除夕：Chinese New Year’s Eve/Eve of the Spring Festival 34. 针灸：Acupuncture 35. 唐三彩：Tri-color Pottery of the Tang Dynasty/ The Tang Tri-colored pottery 36. 中国特色的社会主义：Chinese-charactered Socialist/Socialist with Chinese characteristics 37. 偏旁：radical 38. 孟子：Mencius 39. 亭/阁： Pavilion/ Attic 40. 大中型国有企业：Large and Medium-sized State-owned Enterprises 摘选自HELLAMERICA

新闻报道常用英语词汇

闻报道常用英语词汇 accredited journalist n. 特派记者advertisement n．广告．advance n．预发消息；预写消息affair n．桃色新闻；绯闻anecdote n．趣闻轶事assignment n．采写任务attribution n. 消息出处，消息来源back alley news n. 小道消息backgrounding n．新闻背景Bad news travels quickly. 坏事传千里。banner n．通栏标题beat n．采写范围blank vt. "开天窗" body n. 新闻正文boil vt．压缩(篇幅) box n. 花边新闻brief n. 简讯bulletin n．新闻简报byline n. 署名文章caption n．图片说明caricature n．漫画carry vt．刊登cartoon n．漫画censor vt. 审查(新闻稿件)，新闻审查chart n．每周流行音乐排行版clipping n．剪报column n．专栏；栏目columnist n．专栏作家continued story 连载故事;连载小说contributing editor 特约编辑contribution n．(投给报刊的)稿件;投稿contributor n．投稿人copy desk n．新闻编辑部copy editor n．文字编辑correction n．更正(启事) correspondence column读者来信专栏correspondent n.驻外记者；常驻外埠记者cover vt．采访;采写cover girl n. 封面女郎covert coverage 隐性采访;秘密采访crop vt．剪辑(图片) crusade n．宣传攻势cut n．插图vt．删减(字数) cut line n．插图说明daily n．日报dateline n．新闻电头deadline n．截稿时间dig vt．深入采访；追踪(新闻线索)；“挖”(新闻) digest n．文摘editorial n．社论editorial office 编辑部daily 日报morning edition 晨报evening edition 晚报quality paper 高级报纸popular paper 大众报纸evening paper 晚报government organ 官报party organ 党报trade paper 商界报纸Chinese paper 中文报纸English newspaper 英文报纸vernacular paper 本国文报纸Japanese paper 日文报纸political news 政治报纸Newspaper Week 新闻周刊the front

《英语词汇学》重要术语中英文对照

《英语词汇学》重要术语 One: 1. Native words 本族词 Words of Anglo-Saxon origin or of Old English are native words. 2. Loan words 借词 Words borrowed from other languages are loan words or borrowed words. 3. Slang words 俚语 Slang words are those words of a vigorous, colourful, facetious, or taboo nature, invented for specific occasions, or uses, or derived from the unconventional use of the standard vocabulary. 4. Function words 功能词 Function words are often short words such as determiners, conjunctions, prepositions, auxiliaries that serve grammatically more than anything else. 5. Content words 实义词 Content words are used to name objects, qualities, actions, processes or states, and have independent lexical meaning. 6. Free forms 自由形式 Forms which occur as sentences are free forms. Two: 1. Morphemes 语素 Morphemes are the smallest meaningful linguistic units of English language, not divisible or analyzable into smaller forms. 2. Allomorphs 语素变体 Allomorphs are any of the variant forms of a morpheme as conditioned by position or adjoining sounds. 3. Free morpheme 自由语素 Free morpheme is one that can be uttered alone with meaning. 4. Bound morpheme 粘着语素 Bound morpheme cannot stand by itself as a complete utterance and must appear with at least one other morpheme, free or bound. 5. Root 词根 Root is the basic unchangeable part of a word and it conveys the main lexical meaning of the word. 6. Affix 词缀 Affix is a collective term for the type of formative that can be used only when added to another morpheme. 7. Inflectional affix 屈折词缀 Inflectional affix serves to express such meanings as plurality, tense, and the comparative or superlative degree. 8. Derivational affix 派生词缀 Derivational affix is the kind of affixes that has specific lexical meaning hand can derive a word when it is added to another morpheme. 9. Prefixes 前缀 Prefixes are affixes added before words.

天气的英语单词和句子

资料1 关于天气的英语单词 山地气候mountain climate 冬季季风气候winter monsoon climate 季风气候monsoon climate 高气压high-pressure 锋面frontal edge 亚热带气候sub-tropical climate 气团air mass 热浪heat wave 高原气候plateau climate 闪电lightning 雾fog 海滨气候littoral climate 凉cool 霜frost 极地气候polar climate 雪堆snowdrift 露dew 热带气候tropical climate 寒冷chilly 恒风constant wind 微风breeze 逆风headwind 台风typhoon 无风calm 轻风light 信风trade wind 微风gentle breeze 温带沙漠气候temperate desert climate 温带干燥气候temperate arid climate 大雨heavy rain breeze 热带季风气候tropical monsoon climate 大陆气候continental climate 天气预报weather forecast 和风moderate breeze 沙漠气候desert climate 甘霖welcome rain 清风fresh breeze 沿海气候coastal climate 冰柱icicle 强风strong breeze 高地气候highland climate 疾风near gale 海洋气候marine climate 地形雨local rains 大风gale 森林气候forest climate 狂风squall 烈风strong gale 温带气候temperate climate 雨季rainy season 狂风storm 湿润气候humid climate 雨点raindrops 暴风violent storm 温带草原气候temperate grassy climate 东北信风northeast trades 飓风hurricane 热带雨林气候tropical rainy climate 东南风southeaster 台风typhoon 热带海洋气候tropical marine climate 风级wind scale 龙卷风tornado 虹rainbow 间歇雨intermittent rain 小雨light rain 阵雨shower 平静calm 毛毛雨drizzle, fine rain 疾风gusty wind 微波rippled 反常天气freakish weather 气旋cyclone 微浪smooth wavelets 北风north wind 气压barometric pressure 细浪light seas 冰ice 阴天cloudy day 小浪moderate seas 冰点freezing point 雪花snow flake