氟化钛

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(413) / 评论(0)

Scientific American(十二)月

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(1334) / 评论(0)

科技之光

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(422) / 评论(0)

口腔临床英语对话

2013年美国好声音 Titanium - Madilyn Paige

You shouted out, But I can't hear a word you say I'm talking loud not saying much I'm criticized but all your bullets ricochet You shoot me down, but I get up I'm bulletproof, nothing to lose Fire away, fire away Ricochet, you take your aim Fire away

发表于:2019-01-10 / 阅读(355) / 评论(0)

The Voice 美国好声音

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(397) / 评论(0)

VOA标准英语2010年(十)月

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

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2018年科学美国人1月

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(364) / 评论(0)

科技之光

音乐咖啡厅:Lorenzo Licitra - Titanium

You shout it out But I can't hear a word you say I'm talking loud not saying much I'm criticized but all your bullets ricochet You shoot me down but I get up I'm bulletproof nothing to lose Fire away fire away Ricochet you take your aim Fire away fir

发表于:2019-02-01 / 阅读(401) / 评论(0)

音乐咖啡厅

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(307) / 评论(0)

英语单词荟萃

2013年美国好声音 Titanium - Michelle Chamuel

发表于:2019-02-11 / 阅读(334) / 评论(0)

The Voice 美国好声音

英文歌：Megan Nicole深情翻唱冠David Guetta的单曲Titanium

You shout it loud But I can't hear a word you say I'm talking loud not saying much I'm criticized but all your bull is brick of shame You shoot me down, but I get up I'm bulletproof nothing to lose Fire away, fire away Brick of shame, take your rain

发表于:2019-03-02 / 阅读(360) / 评论(0)

英文最新流行歌曲

英语歌曲:Megan Nicole深情翻唱冠David Guetta的单曲Titanium

Megan Nicole深情翻唱冠David Guetta的单曲Titanium Megan Nicole是美国德克萨斯州休斯顿市人，youtube 翻唱红人，因与jason chen共同翻唱pink的 Raise Your Glass 所被人熟知，被许多网友津津乐道的是其甜美的长

发表于:2019-03-11 / 阅读(345) / 评论(0)

流行英文歌曲

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