单词：benzenyl fluoride
单词：benzenyl 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
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
bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气；穿着俗丽 【记】bed床
不择手段背单词
by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
法律英语 Legal Lad
Emma went downtown. She had to take a test. It was a big test. It was her citizenship test. It was her test to become a U.S. citizen. The test had 100 questions. She had studied all 100 questions. She knew the answers to all 100 questions. She knew t
简单慢速英语阅读
迈克尔.杰克逊：ben Ben Ben, the two of us need look no more We both found what we were looking for With a friend to call my own I'll never be alone And you my friend will see You've got a friend in me Ben, you're always running here and there
迈克尔杰克逊经典歌曲
神经学家Michael Merzenich谈论大脑的神秘而强大的功能之一：大脑主动重塑自身的能力。他正在研究利用大脑的可塑性来增强我们的技能以及恢复缺失的功能。
TED公开课:美妙的神经系统
NB: This is not a word for word transcript Stephen: Hello, I'm Stephen. Rob: And I'm Rob. Stephen: And this is 6 Minute English! This week were talking about citizen journalism. Rob: Citizen journalism thats when people who arent trained journalists
六分钟英语
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
benison,n 赐福；祝福＝blessing 【记】ben笨，son儿子。笨儿子。有个笨儿子可不是坏事，那是福气。比如，你的儿子要是阿甘（亿万富翁），你就不用出国了，等着在家享福吧
不择手段背单词
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 Michael Bowman Washington 12 April 2007 A U.S. citizen has been arrested in Ohio and charged with conspiring to support terrorist activities both at home and abroad. VOA's Michael Bowman has details from Washington. Photograph of Christopher Paul,
2007年VOA标准英语（四月）
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
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
Disneys animated film Frozen just wont Let It Go. The soundtrack to the Oscar-winning film has had its best sales week, with the longest-ever run at the top of the charts. The soundtrack notched its 11th non-consecutive week at the top spot of the Bi
CCTV9英语新闻2014年04月
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曾达的囚徒.The.Prisoner.Of.Zenda