[建] 氟铜酸盐

疯狂英语口语绝招 Surprise

Key Words [00:00.78]关键词 [00:01.57]The Most Common Expressions [00:02.82]最常用表达法 [00:04.08]Incredible!It's said that someone has encountered a dinosaur in a primeval forest. [00:12.88]真难以置信！据说有人在原始森林里见到

发表于:2018-11-28 / 阅读(503) / 评论(0)

零距离李阳疯狂英语口语

欢乐美语:A Surprise Party 惊喜派对

INTRODUCTION TO ACT I Today on TUNING IN THE U.S.A., we are in the Stewart home. Ellen is playing the piano when Philip enters the room. He has found an old horn in an upstairs closet. It was a wedding present many years ago. Tomorrow is the annivers

发表于:2018-11-30 / 阅读(507) / 评论(0)

欢乐美语

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(409) / 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(1330) / 评论(0)

科技之光

Prisma App Makes Art Out of Photos

Prisma App Makes Art Out of Photos Pokmon GO is the most popular app in the world right now. But another new app is also getting a lot of attention. And its free. Prisma lets users add filters to photos to interesting, beautiful and strange effect. T

发表于:2018-12-08 / 阅读(428) / 评论(0)

2016年VOA慢速英语(七)月

学英语 19 A Picnic in Spring

Outdoor of activities A picnic in Spring It is warm. We will picnic in mountain of Yangming. There are many birds chipping around in Spring. It's really enjoyable to lie on the grass and appreciate the beauty of nature.

发表于:2018-12-12 / 阅读(438) / 评论(0)

学术英语视频-教育

VOA慢速英语2011--Investing in the Arab Spring

Economics Report - Investing in the Arab Spring 经济报道 - 投资支持阿拉伯国家改革 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 The Arab Spring in the Middle East and North Africa ha

发表于:2018-12-16 / 阅读(323) / 评论(0)

2011年VOA慢速英语(五)月

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(415) / 评论(0)

口腔临床英语对话

新标准初中英语八年级(上):UNIT2 Spring Festival

[00:00.00]After several nights,Nian finally ran back [00:04.14]into the mountains and was never seen again. [00:07.70]That winter,the people celebrated [00:10.06]with special food,dancing and singing. [00:14.04]That is why the Chinese Spring Festival

发表于:2018-12-29 / 阅读(366) / 评论(0)

外研社新标准初中英语八年级

VOA慢速英语2013 Springtime in D.C.

Springtime in D.C. From VOA Learning English, welcome to THIS IS AMERICA. Im Kelly Jean Kelly. And Im Bob Doughty. It is here at last: the Washington D.C. spring, when Americas capital bursts into color. We can ride a bus, a bicycle, a Segway, a hors

发表于:2019-01-12 / 阅读(333) / 评论(0)

2013年VOA慢速英语(五)月

VOA慢速英语2013 THIS IS AMERICA - Springtime in D.C.

THIS IS AMERICA - Springtime in D.C. From VOA Learning English, welcome to THIS IS AMERICA. Im Kelly Jean Kelly. And Im Bob Doughty. It is here at last: the Washington D.C. spring, when Americas capital bursts into color. We can ride a bus, a bicycle

发表于:2019-01-12 / 阅读(360) / 评论(0)

2013年VOA慢速英语(四)月

2007年VOA标准英语-Congressional Appropriators Express Misgivings

By Peter Fedynsky Washington, D.C. 19 February 2007 watch Appropriations report On the same day that the U.S. House expressed its disapproval of sending more troops to Iraq, the White House asked lawmakers to approve additional money for Iraq's econ

发表于:2019-01-12 / 阅读(464) / 评论(0)

2007年VOA标准英语（二月）

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(394) / 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(396) / 评论(0)

2018年科学美国人1月

英语博客:The Springhill Suites Hotel

There has been a lot of activity just down the road from us, for the past year. A hotel has been built, and we have witnessed the process from start to finish. About a year ago, the construction crew 'broke ground' and started digging and moving eart

发表于:2019-01-28 / 阅读(386) / 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(362) / 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(303) / 评论(0)

英语单词荟萃

VOA标准英语2010年-Former S. African Top Cop Receives Pri

South Africa's former police chief and ex-president of Interpol Jackie Selebi looks on during a hearing at the High Court of Johannesburg, on 3 Aug 2010 The former head of South Africa's national police force and former president of Interpol has been

发表于:2019-02-06 / 阅读(470) / 评论(0)

VOA标准英语2010年(八)月

Spring Festival（春节）

Chinese New Year starts with the New Moon（新月）on the first day of the new year and ends on the full moon（满月）15 days later. The 15th day of the new year is called the Lantern Festival（元宵节）, which is celebrated at night with la

发表于:2019-02-07 / 阅读(474) / 评论(0)

阅读空间

Spring cleaning

Spring cleaning 大扫除 Kate: Hello, Im Kate Colin and this is 6 minute English and today I'm joined as usual by Jackie Dalton. Well now we're well into the month of May and spring is well under way so today were talking about the modern attitude to

发表于:2019-02-07 / 阅读(779) / 评论(0)

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