单词：benzyl fluoride
单词：benzyl fluoride 相关文章
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
听广告学英语:Benz 奔驰汽车 原文：You walked into the party, like you werewalking onto a yacht. Your hat strategically dipped below one eye, your scarf, it was apricot. You had one eye in the mirror as you watched yorself go, Bart. And all the girls
听广告学英语
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
所谓pun，通常是指利用一个单词的两个含义，或者利用两个特定的单词，达到一语双关的目的。例如在下面这句话里，其中的grave有两个含义，一个是严肃的（形容词），一个是坟墓（名词），
TED演讲视频集
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
Mercedes-Benz is a German manufacturer of luxury cars, buses, coaches, and trucks. It is a division of its parent company, Daimler AG. Mercedes-Benz was founded in 1881 and is the oldest car maker around today. Its history includes the first petrol-p
各大品牌英文介绍
一个挪威的喜剧演员二人组，他们主持的脱口秀电视节目在挪威本地有不少忠实观众，而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的
英乐时空
一个挪威的喜剧演员二人组，他们主持的脱口秀电视节目在挪威本地有不少忠实观众，而《狐狸叫》原本是他们为了宣传新一季节目开播而制作的宣传歌曲。这首歌犹如童谣的歌词注定了它的
英乐时空
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
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
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
Industry insiders are suggesting the Chinese government's anti-monopoly investigations of some foreign luxury car brands sold in China are coming to an end. It's being reported that local authorities in Shanghai and Hubei have confirmed infractions b
英语新闻
1) G2G = got to go = 我得走了 2) TTYL = talk to you later = 一会儿再聊 3) XOXO 亲亲抱抱
OMG美语
MADRID, March 2 (Xinhua) -- Real Madrid took their second victory, a 2-1 win, over eternal rivals, FC Barcelona in just five days on Saturday afternoon in the Santiago Bernabeu Stadium. Although the game had appeared as if it was to be slightly de-ca
英语新闻
1. President Barack Obama has been busy pushing the message he laid out last night in the State of the Union address. He was in Wisconsin today where he warned the U.S. has fallen down on the job and needs to get serious about winning the future. 2.
美联社新闻一分钟2011(二月)
Listen to the dialogues and fill in T for True, F for False. 英语对话1 A:Do you have mid-size car for rent? B:Sorry. All the mid-size cars are rented out. 英语对话2 A:Do you have Mercedes Benz for rent? B:Yes. We have a Mercedes Benz limousin
英语听力练习题
饶舌:Fabolous - Everything Everyday Everywhere 相关介绍 ：经过近一个整整十年,在嘻哈说唱的领域中绝对处于巅峰地位的Fabolous,他将会长出他最具个性的想法.专辑将于2009年7月28 日正式上市.全新的专辑
节奏布鲁斯