[古生] 锯齿象亚科

英伦广角激光可帮助啮齿类动物受损的牙齿再次生长

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

发表于:2019-01-02 / 阅读(172) / 评论(0)

英伦广角

SSS 2010-03-10

You know how uncomfortable it feels when you really have to go to the bathroom? And you have to hold it in? If researchers get their way, disease-carrying mosquitoes will spend their last moments being that uncomfortable. Cornell University scientist

发表于:2019-01-08 / 阅读(190) / 评论(0)

Scientific American(三)月

2006年VOA标准英语-Does North Korea's Taepodong-2 Ballistic Missil

By Andre de Nesnera Washington 06 July 2006 Just a few days ago, North Korea triggered an international furor when it conducted several ballistic missile tests. In this report from Washington, VOA Senior Correspondent Andr de Nesnera looks at whethe

发表于:2019-01-11 / 阅读(235) / 评论(0)

2006年VOA标准英语（七月）

美国国家公共电台 NPR Ending Temporary Protection For Foreign Workers Could Hurt U.S. Rebuilding Efforts

DAVID GREENE, HOST: More than 300,000 people live and work under what is known as Temporary Protected Status. This is status granted to those whose home countries face war or disaster. The Trump administration has been eliminating some of these prote

发表于:2019-01-16 / 阅读(130) / 评论(0)

2017年NPR美国国家公共电台12月

音乐咖啡厅:Beckah Shae - Just to Know

音乐咖啡厅:Beckah Shae - Just to Know 相关介绍：而这是Beckah Shae的一张最新专辑，经Montell Jordan, tobyMac Group 1 Crew 等人编制，由Shae Shoc Records音乐公司出品。也就是说，这张专辑是由Beckah Shae自己的

发表于:2019-01-17 / 阅读(255) / 评论(0)

音乐咖啡厅

英语单词大师：Proverbs in AE2

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster we have part two of our look at proverbs in American English. RS: We continue our conversation with Wolfgang Mieder, a professor of German and folklore at the University of Vermont

发表于:2019-01-18 / 阅读(173) / 评论(0)

英语单词大师-Word Master

英语单词大师：Proverbs in AE1

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: proverbs in American English. RS: It's tempting to call Wolfang Mieder the proverbial expert from out-of-town. A professor of German and folklore at the University of Vermont, he

发表于:2019-01-18 / 阅读(189) / 评论(0)

英语单词大师-Word Master

Finnish Veteren soccer defender Hyypiae to retire

BERLIN, May 2 (Xinhua) -- Finnish(芬兰) soccer veteran defender Sami Hyypiae is going to quit his active career after the season 2010/2011 at his current club Leverkusen, aiming to start a professional coach schooling, Hyypiae announced on Monday.

发表于:2019-02-08 / 阅读(140) / 评论(0)

英语新闻

英语听力文摘 English Digest 410、长蛀牙,怎么办？

Getting Rid Of Cavities Don: Sorry, I'm late. I was brushing my teeth. Yal: Brushing your teeth! Right before A Moment of Science? Why? D: I'm trying to get rid of a cavity . Y: Get rid of a cavity ? Are you stuck with a cavity once you have it? D: I

发表于:2019-02-16 / 阅读(129) / 评论(0)

英语听力文摘 English Digest

音乐咖啡厅:Beckah Shae - Life

音乐咖啡厅:Beckah Shae - Life 相关介绍：Beckah Shae很小的时候就显示出她在音乐方面的特殊天赋，常常被人们称赞为songbird。作为一名独立厂牌的音乐歌手, Beckah Shae一直都很坚持自己的音乐风格。

发表于:2019-02-18 / 阅读(244) / 评论(0)

音乐咖啡厅

Chelsea beat FC Nordsjaelland 4-0 in Champions League

Chelsea beat FC Nordsjaelland 4-0 in Champions League COPENHAGEN, Oct. 2 (Xinhua) -- Top English football club Chelsea beat Danish side FC Nordsjaelland 4-0 to win their first Champions League group stage match at the Parken Stadium here on Tuesday e

发表于:2019-02-19 / 阅读(187) / 评论(0)

英语新闻

英语听力文摘 English Digest 177、保护牙齿

Getting Rid Of Cavities 牙痛是继续忍受还是提前做好防护?爱护牙齿，每天的必修课。 M:Sorry,I'm late.I was brushing my teeth. W:Brushing your teeth?Right before 'A Moment Of Science'? Why? M:I'm trying to get rid of a cavity. W

发表于:2019-02-24 / 阅读(179) / 评论(0)

英语听力文摘 English Digest

英语听力文摘 English Digest 223、DNA帮助捕获偷猎者

DNA Helps Catch Poachers 科学家们利用一种革命性的基因技术成功确定了走私犯屠宰大象的非洲地区，这些大象沦为全世界非法象牙贸易的受害者。利用非洲大象的DNA图谱，他们已发现最近缉获的象

发表于:2019-02-24 / 阅读(171) / 评论(0)

英语听力文摘 English Digest

口腔临床英语对话第9期:有关龋齿的解释(2)

Enamel is the hard outer tooth layer. 牙釉质是牙齿坚硬的外层。 The cavity gets larger by entering the softer second tooth layer, the dentin. 蛀牙洞到了牙齿的较软的第二层，也就是牙本质时，龋洞就会变得大的多。

发表于:2019-02-27 / 阅读(229) / 评论(0)

口腔临床英语对话

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