氟化物乳白玻璃

Tiffany exhibition

Anna: Hello, I'm Anna Jones and this is Entertainment. Today we're looking at the language used to describe glittering stones and silver jewellery made by the well known jewellery company, Tiffany. The Tiffany brand a brand is a type of product made

发表于:2018-12-02 / 阅读(163) / 评论(0)

Entertainment

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(226) / 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(171) / 评论(0)

科技之光

招聘：了解过往工作表现（二）

大约一个小时候后，Mr Kola打回电话，但是Mr Ballito外出了，Opal小姐接了电话，并答应将信息转达给Mr Ballito。Opal小姐根据Mr Kola提供的信息写了一份Miss Melita Fagurian的工作表现报告。Mr Ballito看后

发表于:2018-12-12 / 阅读(160) / 评论(0)

求职英语

招聘起因：我需要一个助手

话说Ballito先生的秘书Opal是非常的忙。She has to answer letters, take messages, arrange appointments and answer the telephone. 因此Ballito 先生认为该给这位好秘书找一个助手。他决定在报纸上登一个招聘广告。现

发表于:2018-12-12 / 阅读(153) / 评论(0)

求职英语

招聘：电话预约面试

Ballito先生的招聘广告登出去没多久，就有人来电话咨询、应聘了。Melita Fagurian小姐已经在国家银行做了两年速记员，她想应聘这个秘书职位。Opal 问了Melita的地址、寄给她一份申请表，要她将

发表于:2018-12-12 / 阅读(198) / 评论(0)

求职英语

招聘：面试求职者（一）

很快就到了约定的面试时间，Miss Melita Fagurian准时来到了公司。在和Opal小姐谈了工作要求和薪水后，她进行了一个听写和打字测试。下面是她们之间的对话。 MELITA: Good afternoon. I have an appointm

发表于:2018-12-12 / 阅读(218) / 评论(0)

求职英语

招聘：汇报应聘人员资料

在Miss Melita Fagurian 电话应聘过后，Opal小姐就和她的上级Mr Ballito 谈了她的情况。下面是他们之间的对话。 OPAL: Mr Ballito. MR BALLITO: Yes, Opal. OPAL: A Miss Melita Fagurian telephoned this morning in answer to our

发表于:2018-12-12 / 阅读(157) / 评论(0)

求职英语

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(204) / 评论(0)

口腔临床英语对话

【英语听和读】蒂芙尼珠宝展览

Anna: Hello, I'm Anna Jones and this is Entertainment. Today were looking at the language used to describe glittering stones and silver jewellery made by the well known jewellery company, Tiffany. The Tiffany brand a brand is a type of product made b

发表于:2018-12-28 / 阅读(183) / 评论(0)

英语听和读

2008-11-22 地下镇Coober Pedy

Beneath the hot-skillet surface of the outback where the baked soil crumbles like ashes, there are treasures to be found. In endless warrens of burrowing and hole, every hour of every day, you can find people digging. And virtually all of these indi

发表于:2018-12-30 / 阅读(321) / 评论(0)

国家地理2008年

SSS 2011-08-12

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(203) / 评论(0)

Scientific American(八)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(175) / 评论(0)

VOA标准英语2010年(十)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

发表于:2019-01-20 / 阅读(186) / 评论(0)

2018年科学美国人1月

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(177) / 评论(0)

科技之光

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(176) / 评论(0)

英语单词荟萃

前台接待访客常用会话（3）

公司里常来的客户一般前台都熟悉。当然，也会有陌生人来造访。这不，Mr Lefere 来造访 Mr Ballito 了。且看Rose如何处理。 MR LEFERE: Good morning. ROSE: Good morning. Can I help you? MR LEFERE: Er, yes. I have an

发表于:2019-02-04 / 阅读(169) / 评论(0)

求职英语

澳洲一女子双手植入微型芯片开门不用钥匙

In a glimpse of what the future may hold, tiny microchips are being implanted in humans so they can unlock doors and get into their computers without using keys or passwords. 为了一瞥未来生活的模样，人们正在尝试往身体里植入微型

发表于:2019-02-05 / 阅读(249) / 评论(0)

英语新闻

电话礼节：转达信息（二）

Opal 小姐将 Mrs Ballito 的信息告知 Mr Ballito 后，要 Melita 电话告知 Mrs Ballito 已将信息转达。下面是Opal 在教 Melita 电话礼节。 OPAL: Now I want you to ring Mrs Ballito and tell her that her husband has received the m

发表于:2019-02-15 / 阅读(130) / 评论(0)

实用英语

电话礼节：转达信息（一）

Melita 开始了她在 Modern Office Limited 的新工作。现在 Opal 小姐的一部分工作就是教Melita 如何做一个秘书。Today she is going to show Melita how to take a message on the telephone. Here are Opal and Melita. OPAL: Well Mel

发表于:2019-02-15 / 阅读(162) / 评论(0)

实用英语

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bronze mica (phlogopite)