单词：tetrafluoroethylene-vinylidene fluoride copolymer fibre
单词：tetrafluoroethylene-vinylidene fluoride copolymer fibre 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
2059 、 铸模；模子 mould 2060 、 铸模成形；倒模成形；模塑 moulding 2061 、 铸钢；生钢 caststeel 2062 、 铸铁；生铁 castiron 2063 、 廿三画 2064 、 纤维 fibre 2065
英文名句短语
[ti:UNIT 4 Stay Healthy Lesson 27 Good Food, Good health] [0:01.219]UNIT 4 第四单元 [0:02.580]Stay Healthy 保持健康 [0:04.860]Lesson 27: 第二十七课： [0:06.510]Good Food, Good health 健康的食物，健康的身体 [0:10.186]Here are
河北教育初中英语（初中起点）九年级上
[00:04.28]Reading COME AND EAT HEAR(1) [00:09.12]Wang Pengwei sat in his empty restaurant feelling very frustrated. [00:15.05]It had been a very strange morning. [00:17.92]Usually he got up early prepared his menu of mutton kebabs, [00:23.28]roast po
高中英语人教版必修
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
[00:07.39]Lesson 57 1.Dialogue [00:12.54]AT THE DOCTOR'S [00:15.78]Sharon is visiting a doctor,Dr Yang. [00:21.03]What can I do for you,sharon? [00:24.58]Well,I couldn't sleep last night. [00:29.15]What was the matter? [00:31.90]I've got a pain here.
高中英语人教版高一
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
braided fabric 编织物 deformation 变形；走样 fast colours 不褪色；色泽牢固 punch work 抽绣 embroidery 刺绣品 acetate fibre 醋酯纤维 hemp 大麻 damp proof 防潮 sanforizing, p
英文语法词汇
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
过去将来一般时的基本概念和形式 过去将来一般时(future-in-the-past indefinite tense)表示对于过去某一时间而言将要发生的动作或存在的状态。 过去将来一般时由should(第一人称)或would(第二、三人称
实用英语
China's Tibet Autonomous Region is about to achieve a universal coverage of fibre-optical broadband service ahead of its schedule. As China further rolled out its universal broadband project, Tibet's broadband service is looking to reach 98% of admin
2018CRI中国国际广播电台
本期内容： Young people's love of fast fashion is coming under the scrutiny of Britain's law-makers. MPs say the fashion industry is a major source of the greenhouse gases that are overheating the planet. Discarded clothes are also piling up in
夏说英语新闻晨读
Science and technology 科学技术 Lifts and skyscrapers 电梯和摩天大楼 The other mile-high club 另一个高耸入云的俱乐部 A new lightweight lift cable will let buildings soar ever upward 一种新型的轻型升降梯将会让建筑继
经济学人科技系列
Wool Week opened early yesterday morning in Wellington with a display of sheep shearing at the railway station. Then children brought in their pet lambs. People on their way to work stopped to watch. Then there was a fashion parade of woolen clothes
新西兰英语
嘉宾：Debbie Mason 话题：的确良，的确很时尚！Polyester Birthday 单词拼写： 1、faculty 系，院 2、petrochemical 石化 3、fibre 纤维 4、textiles 纺织品 5、components 组件 重点俚语： derived from 起源，从得来
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嘉宾：Debbie Mason 话题：的确良，的确很时尚！Polyester Birthday 单词拼写： 1、polyester 涤纶（的确良） 2、chemist 化学家 3、synthetic fibre: man-made，artifical fibre 人造纤维 4、fiesta 嘉年华 5、subtle 不明
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