单词：lead(iv) fluoride
单词：lead(iv) fluoride 相关文章
turn around to see you in a crowded place i watch for the emotions on a guarded face saying lead me on victim of a dream and a memory but when i try to break free you say to me c'mon lead me on a matt
英语歌曲第九辑
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
Scientific American(十二)月
[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
求职英语
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
科技之光
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
口腔临床英语对话
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
VOA标准英语2010年(十)月
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
VOA标准英语2011年(八月)
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
2018年科学美国人1月
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
科技之光
By Nico Colombant Abidjan 05 May 2006 Members of Sudan Liberation Army, SLA, walk out of meeting in Abuja, Nigeria, Friday A top civil rights activist for Sudan's Darfur region is dubious about the ne
2006年VOA标准英语（五月）
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
英语单词荟萃
听歌学英语:Love Will Lead You Back 歌词: saying good bye is never an easy thing but you never said you'd stay forever so if you must go darling i'll set you free but in time i know we will be together i won't try to stop you from leaving 'coz
听歌学英语
第二卷 （共 55分） 四、单词拼写（共 10小题，每小题1分；满分10分） 根据下列句子所给单词的首字母，在句子右边的横线上，写出空缺处各单词的正确形
实用英语
2000年普通高等学校春季招生全国统一考试 （北京、安徽卷） 英 语 National Matriculation Engkish Test(NMET 2000) 第二卷 （共55 分） IV.单词拼写（共10小题，每小题
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By Jim Malone Washington 02 April 2008 A new public opinion poll shows Democrat Hillary Clinton's lead over rival Barack Obama in Pennsylvania is down slightly as both contenders campaign in advance of the primary there on April 22. VOA National corr
VOA常速英语2008年（四月）
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
VOA标准英语2011年(十二月)
NEW YORK, March 6 (Xinhua) -- Kobe Bryant finished with 42 points and 12 assists to help the Lakers make up 25-point deficit in the second half and beat the Hornets 108-102 Wednesday at New Orleans. Kobe, who injured his right elbow in a loss at Okla
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KAMPALA, July 12 (Xinhua) -- Uganda's Vice President Edward Ssekandi will lead the country's delegation to the 2012 London Olympics as a way of morale boosting the team to win medals. Dennis Galabuzi, the Uganda Olympic Committee (UOC) vice president
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BEIJING, March 25 (Xinhuanet) -- Zhou Dongyu, the starlet in Zhang Yimou's drama Under the Hawthorn Tree, has been cast as a lead for Stanley Kwan's upcoming romantic film, Ta De Guo (His Kingdom), according to the Guangzhou Daily. The newspaper cite
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MADRID, March 4 (Xinhua) -- Real Madrid retain their 10 point lead at the top of the BBVA Primera Liga after the 25th round of matches thanks to a comfortable 5-0 win at home to Espanyol on Sunday. Espanyol have traditionally been easy victims for Ma
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