单词：ammonium selicofluoride
单词：ammonium selicofluoride 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
In business, Optus has called for Telstra's proposals on its participation in the national broadband network to be blocked. Optus' chief executive Paul O'Sullivan says Telstra's current plan for the separation of its retail and wholesale arms wholesa
澳洲ABC新闻快递2011年
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
Swear I made up my mind When I saw you that first time Its like you were send from the sky The love you hear about That you just cant do without Baby thats you and I Always believed there was something more Through every empty hour I kept searching f
经典英语爱情歌曲
Sissel Kyrkjebo，挪威著名的女歌手，以其空灵清澈的音色踏入歌坛超过10年。 Swear I made up my mind When I saw you that first time It's like you were sent from the sky Kinda love you hear about That you just can't do without Baby, that's you and I Always
音乐咖啡厅
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
AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have
农业与发展
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
歌曲:One Day 歌手:Sissel 专辑：all good things Here I am, on my own again All alone but not afraid Here I stand, nowhere near the end Time to go a different way Cause another day will come to those who dare Believe in something new When you follow y
音乐咖啡厅
Sissel就不多说，被誉为悬在空中的声音，Sissel的声音， 宛如初春午后的微风般的没有负担，亦好比早晨小草上的露水清新脱俗. 本专辑是 Sissel 和Zamfire 共同打造，其中的人声和排箫相得益彰,summer snow（夏之雪）原是一首苏格兰民谣， 改编成堂本刚与广末凉子主演日
音乐咖啡厅
歌曲：Weightless 歌手：Sissel 歌词制作：bottleneck All of my life I have been waiting Wondering what I will do All I can feel Is my heart beating Time and time again for you And Im weightless, falling in love I am weightless And I dont know why but
音乐咖啡厅
Sissel Kyrkjebo，挪威著名的女歌手，以其空灵清澈的音色踏入歌坛超过10年。《All Good Things》是Sissel首张唱流行曲的唱片，十一首歌曲虽然还可发现不少令人联想到Enya一类的音乐元素，但歌曲编排都渗入了具备时代感的流行曲节奏。唯一真正保留Sissel原来风格的，或
音乐咖啡厅
Sissel Kyrkjebo，挪威著名的女歌手，以其空灵清澈的音色踏入歌坛超过10年。《All Good Things》是Sissel首张唱流行曲的唱片，十一首歌曲虽然还可发现不少令人联想到Enya一类的音乐元素，但歌曲编排都渗入了具备时代感的流行曲节奏。唯一真正保留Sissel原来风格的，或
音乐咖啡厅
今天， 归功于早发现和早治疗，心脏病患者的死亡率比几十年前减少了63%。 Thomas Insel， 国家精神健康研究所主任，他提出一个新的见解：我们是否可以对精神疾病做同样的处理？在探讨新的
TED公开课:美妙的神经系统
听歌学英语:Some one like you-Sissel Kyrkjebo Sissel Kyrkjebo是挪威著名的女歌手，于1969年出生于挪威，4岁时就参加儿童合唱团，并开始在挪威电视台多次露面。她从16岁出第一张唱片，以其空灵清澈的
听歌学英语
音乐咖啡厅:Sissel - Someone Like You 相关介绍：Sissel此次与伦敦交响乐团合作一起灌录这张充满管弦乐色彩的作品《My Heart》,由Ettore Stratta担任指挥。整张唱片以翻唱为主，Sissel使用美声，通俗等唱
音乐咖啡厅
听歌学英语:空灵清澈天籁之音SisselCarrier Of A Secret Sissel Kyrkjebo，挪威著名的女歌手，以其空灵清澈的音色踏入歌坛超过10年.是Sissel首张唱流行曲的唱片，十一首歌曲虽然还可发现不少令人联想
听歌学英语