氟化铂(IV) {四氟化铂}

Crazy in Love

Crazy in Love [Intro - Jay Z] Yes! It's so crazy right now! Most incredibly, it's ya girl, Bee, It's ya boy, young. [Intro - Beyonce] You ready? Uh oh, uh oh, uh oh, oh no no (*repeat ) [Intro - Jay Z

发表于:2018-11-28 / 阅读(253) / 评论(0)

疯狂英语2004年

Masterpieces for the Gentleman

Masterpieces for the Gentleman The Watch A Swiss watch maker will tell you the only non-negotiable item in the world is time. It can't be bought, sold or traded, therefore its measurement is precious.

发表于:2018-11-28 / 阅读(263) / 评论(0)

疯狂英语2004年

SSS 2010-12-29

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel

发表于:2018-12-02 / 阅读(209) / 评论(0)

Scientific American(十二)月

求职英语一part f_iv-x_new

[00:00.00]9.I:What do you think is the relationship [00:02.27]你认为 [00:04.55]between the subjects you have taken and the job you are seeking? [00:06.99]你曾修读的科目和你申请的这份工作有何关系？ [00:09.43]A:I have taken cour

发表于:2018-12-05 / 阅读(207) / 评论(0)

求职英语

Dental Health

07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the

发表于:2018-12-07 / 阅读(154) / 评论(0)

科技之光

2015格莱美 Miranda Lamber- Platinum

My disposition permeates The room when I walk in a place I'm sorry! By calculation I'm way too much Pretentiously I bitch a bunch But you bought it! I can't exceed my reputation A small town girl with compensation Explorin' all my possibilities Well

发表于:2018-12-08 / 阅读(159) / 评论(0)

格莱美获奖歌曲

Top 5 Songs for Week Ending Nov. 4

We're blasting off with the five most popular songs in the Billboard Hot 100 Pop Singles chart, for the week ending Nov. 4, 2017. We greet one new song this week, and you don't have to wait long. Number 5: Imagine Dragons Thunder Imagine Dragons is b

发表于:2018-12-08 / 阅读(318) / 评论(0)

VOA标准英语2017年(11月)

口腔临床英语对话第29期:正畸治疗(2)

Is it necessary to have cavities in the baby teeth repaired? 乳牙蛀成了洞还有必要补上吗？ If the baby teeth are going to fall out, I don't think that it matters if they become decayed. 如果乳牙是要脱落的，我想蛀了也没有关

发表于:2018-12-27 / 阅读(192) / 评论(0)

口腔临床英语对话

VOA标准英语2010年-Coal Burning Linked to Fluoride Diseas

A cluster of villages in China's Guizhou province has been plagued by an outbreak of disease that damages teeth and bones. Now, a new study by Chinese and American researchers puts the blame on polluted coal burned in home fireplaces. In small quanti

发表于:2019-01-14 / 阅读(167) / 评论(0)

VOA标准英语2010年(十)月

VOA标准英语2011--Indian PM Calls on Anti-Corruption Activ

Indian PM Calls on Anti-Corruption Activist to End Hunger Strike 印度总理呼吁反腐分子停止绝食 India's Prime Minister Manmohan Singh has called on activist Anna Hazare to end his hunger strike being conducted to call for tougher anti-cor

发表于:2019-01-14 / 阅读(162) / 评论(0)

VOA标准英语2011年(八月)

艾伦脱口秀第106期:童话故事

I'll start with you, Nicole.In the fairy tale,Jack and the Beanstalk, 妮可我从你开始问咯在童话故事杰克和魔豆中 what does Jack plant that makes the bean start to grow? 杰克种了什么豆子才开始生长的呢 A bean? A bean

发表于:2019-01-18 / 阅读(131) / 评论(0)

艾伦脱口秀

科学美国人60秒 SSS 海狸牙齿的奥秘

Ah yes.The ol' fluoride rinse at the dentist. Not pleasant. But hey, good for your teeth, right? 没错，这是牙医洗牙用的含氟漱口水。确实够闹心的。但毕竟对你的牙齿有益不是吗? Well now materials scientists have been

发表于:2019-01-20 / 阅读(165) / 评论(0)

2018年科学美国人1月

经济学人137:我的是我的,你的也是我的

Business Expropriation in Zimbabwe Your mine is mine 商业津巴布韦的征没政策我的是我的，你的也是我的 A new plan to wreck one of Africa's unluckiest countries 一个将摧毁非洲最不幸国家之一的新计划 A DECADE ago

发表于:2019-01-26 / 阅读(212) / 评论(0)

经济学人商业系列

SCIENCE IN THE NEWS - Dental Health

SCIENCE IN THE NEWS - November 26, 2002: Dental Health By Nancy Steinbach VOICE ONE: This is Steve Ember. VOICE TWO: And this is Bob Doughty with Science in the News, a VOA Special English program abo

发表于:2019-01-30 / 阅读(165) / 评论(0)

科技之光

学个词 Learn a Word-VOA英语教学 2280-fluoride

今天我们要学的词是 fluoride. Fluoride 氟化物。The U.S. government is lowering the recommended amount of fluoride added to drinking water for the first time in more than 50 years. 美国政府50多年来首次降低饮用水建议添加的氟

发表于:2019-02-02 / 阅读(159) / 评论(0)

英语单词荟萃

At the Jewellers 在珠宝店

Key Sentences（重点句子）Would you like jewellery？您要不要首饰？ Today is Mother's Day and all the jewellery is on sale at Rich's. 今天是母亲节，瑞奇店的所有首饰全部折价出售。 Do you have gold jewels？你们有黄

发表于:2019-02-05 / 阅读(133) / 评论(0)

实用英语

Obama gov't kills notion of minting platinum coins to avoid debt crisis

WASHINGTON, Jan. 12 (Xinhua) -- The Obama administration on Saturday killed the idea of minting platinum coins in the denomination of 1 trillion U.S. dollars to generate revenue and avoid the looming battle with Republicans on raising the federal gov

发表于:2019-02-07 / 阅读(155) / 评论(0)

英语新闻

VOA标准英语2011--Activists Push for Right to Counsel in US Civil Cases

Activists Push for Right to Counsel in US Civil Cases People who are charged with crimes in the United States have a constitutional right to have an attorney provided to them by the government, if they can not afford one on their own. Legal advocates

发表于:2019-02-12 / 阅读(175) / 评论(0)

VOA标准英语2011年(十二月)

South African Platinum Producer Fires 12,000 Workers

South African Platinum Producer Fires 12,000 Workers JOHANNESBURG The worlds biggest platinum producer has fired 12,000 workers in South Africa after they engaged in an illegal strike, company officials said Friday. The nations main mineworkers' unio

发表于:2019-02-13 / 阅读(188) / 评论(0)

英语新闻

经济学人267:测量质量效应

Science and technology 科学技术 Measurement 测量 Mass effect 质量效应 A better way to clean the world's one true kilogram 清洁世界上真正一千克的更好方法 IN SEVRES, on the outskirts of Paris, sealed beneath a triplet of bell j

发表于:2019-02-24 / 阅读(220) / 评论(0)

经济学人科技系列

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学英语单词

acid-deficient solution

acuminating

adsorption hysteresis