掺稀土氟化钙

大学英语六级词汇(拼读版) 004

[00:00.00]cafeteria [00:06.98]cafeteria [00:09.08]n.自助餐厅 [00:16.82]cafeteria [00:18.92]calcium [00:24.97]calcium [00:27.03]n.钙 [00:33.04]calcium [00:35.10]calorie [00:40.84]calorie [00:42.75]n.卡[热量单位] [00:48.88]calorie [00:50.79]c

发表于:2018-12-01 / 阅读(291) / 评论(0)

大学英语六级词汇(拼读版)

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(223) / 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(166) / 评论(0)

科技之光

高一单词高一下词汇单元(03版) unit13-17

[00:02.98]junk junk food fat vitamin [00:07.67]n.垃圾垃圾食品 n.脂肪 n.维他命；维生素 [00:12.36]snack stomach fever Sharon [00:17.28]n.小吃；快餐 n.胃；肚子 n.发烧；狂热莎伦（女子名） [00:22.20]salad peach ripe o

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高中英语词汇

英语会话800句 Unit33

[00:00.00]You don't look well [00:02.09]你看起来不太好喔 [00:04.18]A:You don't look well [00:05.29]你看起来不太好喔 [00:06.40]B:I know.I have a bad cold. [00:07.98]我知道。我得了重感冒了 [00:09.56

发表于:2018-12-25 / 阅读(145) / 评论(0)

英语会话800句

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(198) / 评论(0)

口腔临床英语对话

英语美文：母亲的8个谎言

1.As a child, the little boy very poor family, food, rice is often not enough to eat, his mother took the bowl of rice to the children to eat. Said the mother, children, eat fast, I hungry! - Scatter his mother's first lie 儿时，小男孩家很穷，

发表于:2019-01-05 / 阅读(204) / 评论(0)

英语美文

VOA慢速英语2012 Economics Report - Limits on Rare Earth Exports Get China in Trade Dispute

Economics Report - Limits on Rare Earth Exports Get China in Trade Dispute 经济报道 - 稀土限制使得中国陷入贸易纠纷 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 The United States,

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2012年VOA慢速英语(三)月

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(171) / 评论(0)

VOA标准英语2010年(十)月

美国国家公共电台 NPR To Get Calcium, Navajos Burn Juniper Branches To Eat The Ash

DAVID GREENE, HOST: So getting calcium in your diet is essential to keeping your bones strong. Well, what do you do if you can't do dairy? A Navajo graduate student at Northern Arizona University got really interested in that question when he came ac

发表于:2019-01-16 / 阅读(178) / 评论(0)

2017年NPR美国国家公共电台8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

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2018年科学美国人1月

英语博客:An escaped Gecko in the house!

Beginners. A couple of years ago, we bought a Leopard Gecko for our oldest son, Hudson. He didn't want any toys, just an animal. He is fascinated with reptiles and has read many books about them. So, we went to the pet shop and immediately found what

发表于:2019-01-28 / 阅读(198) / 评论(0)

英语博客 A cup of English

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(175) / 评论(0)

科技之光

零食包装上的英语

地球村时代，英语和中文也全球化了。爱吃零食的你怎能不会看包装袋的英文呢？小心哦，不要一不留神，营养没跟上，脂肪增加不少了哟。健康又美味，包装英语跟我学! 国外食品的包装上，

发表于:2019-02-01 / 阅读(239) / 评论(0)

实用英语

零食袋上的英语

零食包装袋上完整的产品成份（ingredients） Nutrition Facts 营养明细 Serving Size 5 pieces (55 g) 每份五片（55克） Servings Per Container About 5 每包约5份 Amount Per Serving 每份含量 Calories 150 Fat Cal.50 % 热量 1

发表于:2019-02-01 / 阅读(232) / 评论(0)

实用英语

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(171) / 评论(0)

英语单词荟萃

VOA标准英语2010年-Looking for ET

Scientists target tiny fossils in Martian soil in NASA's search for extraterrestrial life Rosanne Skirble | Washington, DC 30 April 2010 A proposed robotic lab would carry instruments for identifying and measuring the chemical building blocks for lif

发表于:2019-02-05 / 阅读(147) / 评论(0)

VOA标准英语2010年(五)月

有效的睡眠疗法

Sleep well, sleep better If sleep has plunged to the bottom of your to-do list, you're not alone. Although the National Sleep Foundation recommends getting seven to nine hours of sleep a night, the average American logs only six hours and 40 minutes.

发表于:2019-02-07 / 阅读(215) / 评论(0)

阅读空间

China's rare earth policy justified: spokesman

BEIJING, March 15 (Xinhua) -- China's restrictions on rare earth exports are justified and are in line with World Trade Organization rules, Shen Danyang, spokesman for the Ministry of Commerce, said Thursday. The policy aims to protect resources and

发表于:2019-02-08 / 阅读(157) / 评论(0)

英语新闻

2016年CRI China to Complete Rare Earth Industry Restructuring by Mid-2016

China is the world's largest producer and exporter of rare-earths. These are elements which are critical to the manufacturing of high-tech products, including smartphones, wind turbines and car batteries, among other things. However, the rare-earth i

发表于:2019-02-14 / 阅读(146) / 评论(0)

2016CRI中国国际广播电台

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