氟化银(I)

英语口语1+1:A silver lining

【1+1英文】 Angela:

发表于:2018-11-27 / 阅读(223) / 评论(0)

英语口语1+1

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(120) / 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(89) / 评论(0)

科技之光

圣诞歌曲:Silver Bells

Silver Bells silver bells, silver bells it's christmas time in the city ring-a-ling, hear them ring soon it will be christmas day city sidewalks, busy sidewalks dressed in holiday style in the air there's a feeling of christmas children laughing, peo

发表于:2018-12-08 / 阅读(94) / 评论(0)

英文圣诞歌曲

英文特辑精选：《Silver Bells 》—Blake Shelton（Feat.Xenia）

City sidewalks, busy sidewalks Dressed in holiday style In the air there's a feeling Of Christmas Children laughing, people passing Meeting smile after smile And on every street corner you'll hear Silver bells Silver bells It's Christmas time in the

发表于:2018-12-13 / 阅读(59) / 评论(0)

英文特辑精选

趣味青春英语第145期:On a silver platter

Idiom: On a silver platter 某人很容易或者很轻松地得到什么 Hit the book: Awe-inspiring Iconic Shuttle Maneuver Culmination Far cry from

发表于:2018-12-27 / 阅读(122) / 评论(0)

趣味青春英语

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(118) / 评论(0)

口腔临床英语对话

【趣谈英语】奥林匹克金牌不是纯金-Olympic Gold Medals Are Made Of Silver

Pre-Listening Vocabulary host country: the nation that holds the event IOC: International Olympic Committee composition: what something is made of gold-plated: containing a layer of gold on the surface monetary value: the amount something is worth Go

发表于:2018-12-28 / 阅读(79) / 评论(0)

趣谈英语

儿童英语读物 The Sword of the Silver Knight CHAPTER 2 The Winner

For a moment the two knights stood there uncertainly. But the pause did not last long. The Blue Knight dropped his sword, as if by accident. The Silver Knight dashed over to pick it up. He held the sword out boldly in front of him. The Blue Knight re

发表于:2018-12-31 / 阅读(129) / 评论(0)

103 The Sword of the Silver Kn

美国习惯用语: Lesson 263 silver

在这次节目里我们要给大家讲两个习惯用语。一个跟银子，就是英文里的silver这个字有关。另一个是以铅，就是lead这个字为主。我们现在来讲第一个。To be handed something on a silver platter. To be

发表于:2019-01-06 / 阅读(132) / 评论(0)

美国习惯用语

学个词Learn a Word 第695期 silver lining

今天我们要学的词是silver lining。 Silver lining, 是指不幸中的万幸。英语里有一种说法是， Every cloud has a silver lining, 朵朵乌云衬白底，意思是不幸中总会有值得欣慰的地方。今年美国高中毕业生

发表于:2019-01-06 / 阅读(97) / 评论(0)

英语单词荟萃

VOA标准英语2008年-Silver Anniversary for American Swimmer Dara To

At age 41, American swimmer Dara Torres has won her third silver medal at the Beijing Olympics. VOA's Jim Stevenson has more on the oldest member of this year's U.S. Olympic swimming team. US swimmer Dara Torres waves from podium after receiving her

发表于:2019-01-06 / 阅读(94) / 评论(0)

VOA标准英语2008年（八月）

音乐咖啡厅:Silver -David Cook

Ray J在美国可以称得上是顶尖的音乐制作人。这首《Sexy Can I》是被号称是Ray J职业里程碑的作品。这首歌的确是好听，不愁不流行，因为当今欧美乐坛中，什么流行这首歌就有什么。上脑如Ne-Yo的旋律，Ray J非常标准的RB男声，加上Young Berg没啥特色的Rap，是那种听了开

发表于:2019-01-06 / 阅读(156) / 评论(0)

音乐咖啡厅

英文摇滚歌曲：Amorphis - Silver Bride

From the misty dreams of nighttime I sought the clarity of my days From the gates of longing Looked for the familiar glow The death of my wife's slayer Brought no comfort to me No shape from loneliness For a dream A queen of gold I made A silver brid

发表于:2019-01-10 / 阅读(88) / 评论(0)

英文摇滚歌曲

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(102) / 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

发表于:2019-01-20 / 阅读(88) / 评论(0)

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(104) / 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(95) / 评论(0)

英语单词荟萃

天籁音乐:Silver Revolver

澳洲兄妹组Angus Julia Stone的兄长Angus Stone用艺名Lady Of The Sunshine，发行的首张个人Solo《Smoking Gun》，全然清新随意的歌曲，不加修饰的清爽男声，整张专辑的确是适合闲暇时放松耳朵的音乐小品

发表于:2019-02-20 / 阅读(136) / 评论(0)

天籁音乐

英文乡村歌曲：Kacey Musgraves - Silver Lining

Woke up on the wrong side of rock bottom Throw a lot of pennies in a well That done run dry Light up and smoke 'em if you have 'em But you just ain't got 'em Yeah ain't we always looking For a bluer sky If you're ever gonna find a silver lining It's

发表于:2019-02-26 / 阅读(110) / 评论(0)

美国乡村音乐

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amphistylic attachment