四氧嘧啶

美国科学60秒 SSS 2012-10-16

Pet turtles can be unsanitary. But Chinese soft-shelled turtles really up the ante on distasteful behavior. They perform a variation on urinationthrough their mouths. Most land-based vertebrates produce urine to get rid of water-soluble toxic waste,

发表于:2018-12-24 / 阅读(88) / 评论(0)

Scientific American(十)月

OxyContin Warning

86 去痛片须慎用 DATE=8-16-01 TITLE=SCIENCE REPORT - OxyContin Warning BYLINE=Jerilyn Watson （Start at 1'02

发表于:2019-01-02 / 阅读(120) / 评论(0)

科技之光

英语歌曲:Michelle Tumes-lovely

Michelle Tumes-lovely you're the sweet dreams that soothe me when i cant fall asleep you're the field in the middle of the city im rushing by in the speed of light you're the strong resolution when i found all the piece you're the church bells a ring

发表于:2019-01-07 / 阅读(105) / 评论(0)

好听的英文歌曲

好听的英文歌曲：Division -Aly & AJ

you chose to surrender the best thing thats happened to you what were you missing? were you just tripping? running away from your fear was the best you could do you made this decision you chose our division ooh, ooh, ooh and i have no regrets i wish

发表于:2019-01-10 / 阅读(87) / 评论(0)

好听的英文歌曲

影视歌曲：Aly And AJ-on the ride

We don't have to try To think the same thoughts We just have a way Of knowin' everything's gonna be O.K. We laugh 'til we cry Read each other's minds Live with a smile Make it all worthwhile Make it all worthwhile Life has moments hard to describe Fe

发表于:2019-01-10 / 阅读(89) / 评论(0)

英乐时空

美国国家公共电台 NPR What Did Cambridge Analytica Do During The 2016 Election?

MICHEL MARTIN, HOST: Donald Trump's presidential campaign paid millions of dollars to Cambridge Analytica during the 2016 election. So did Texas Senator Ted Cruz's campaign. Following reports that the company improperly collected data on 50 million F

发表于:2019-01-16 / 阅读(108) / 评论(0)

2018年NPR美国国家公共电台3月

2016年CRI EU's Assessment on China's MES to be on Agenda

Reporter: EU Ambassador Hans Dietmar Schweisgut says the assessment work will be carried out by European Commission in the coming months. Speaking at a news conference here in Beijing, the ambassador says changing market economy status for China invo

发表于:2019-01-19 / 阅读(120) / 评论(0)

2016CRI中国国际广播电台

英语博客(A cup of English):083 A Foxy Chick.

Beginners. Well, it's time for a new dog. For the past year, we have been a one dog family. But, you know, our dog, Rosie, is a wildly social lady. She goes crazy any time she meets another dog, a cat, a mouse, or a bird, let alone a human. But, the

发表于:2019-01-28 / 阅读(84) / 评论(0)

英语博客 A cup of English

2007年VOA标准英语-Oxycontin Manufacturer Lied About Dangers of Dr

By Melinda Smith Washington 14 May 2007 Top executives of the company that makes a powerful painkiller called Oxycontin admitted this week they lied about the drug's addictive qualities in order to boost sales. As VOA's Melinda Smith reports, worldwi

发表于:2019-02-03 / 阅读(138) / 评论(0)

2007年VOA标准英语（五月）

音乐咖啡厅:Agnes - Sometimes I Forget

音乐咖啡厅:Agnes - Sometimes i Forget Song：Sometimes i Forget Artist：Agnes I get so busy and I shut you out And you don't have no clue what that's about You probably thinking that I'm getting mad at you I should take the time to just explain

发表于:2019-02-03 / 阅读(156) / 评论(0)

音乐咖啡厅

音乐咖啡厅:Aly & AJ - In a second

歌曲： In a second 艺人： Aly AJ 音乐星级： ★★★★ 所属专辑： Into The Rush 发行年代： 2006 风格： Pop / Rock 介绍：由现年17岁的姐姐Alyson Renae Aly Michalka与现年15岁的妹妹Amanda Joy AJ Michalka所组成的AlyAJ，两人从小就在教堂的唱诗班中训练歌唱技

发表于:2019-02-03 / 阅读(140) / 评论(0)

音乐咖啡厅

经济学人321:爬行动物的排尿可算是方便了

Science and technology 科学技术 Reptilian micturition 爬行动物的排尿 That's a relief 可算是方便了 Softshell turtles urinate through their mouths 鳖类通过其嘴部小便 WHY did the turtle stick its head in a bucket? 为什么乌龟

发表于:2019-02-03 / 阅读(140) / 评论(0)

经济学人科技系列

英语博客(A cup of English):Vaccines for Foxy.

Beginners. Today, Foxy had an appointment with the vet for vaccinations and a general check-up. She is about eight months old, so she needed her second set of vaccinations. The vet also needed to see if her growth was normal and healthy. I put her in

发表于:2019-02-07 / 阅读(107) / 评论(0)

英语博客 A cup of English

The Shepherd and the Bureaucrat

A bureaucrat was hiking when he came upon a shepherd tending a large flock. The bureaucrat took a fancy to the sheep and asked the shepherd, If I can guess how many there are, may I have one? The shepherd thought it unlikely the man would guess the e

发表于:2019-02-07 / 阅读(98) / 评论(0)

趣味英语

音乐咖啡厅:Aly & AJ - Like It Or Leave It

歌曲： Like It Or Leave It 艺人： Aly AJ 音乐星级： ★★★★ 所属专辑： Insomniatic 发行年代： 2007 风格： Pop 介绍：由现年18岁的姐姐Alyson Renae Aly Michalka与现年16岁的妹妹Amanda Joy AJ Michalka所组成的AlyAJ，两人从小就在教堂的唱诗班中训练歌唱技

发表于:2019-02-07 / 阅读(137) / 评论(0)

音乐咖啡厅

学个词Learn a Word 第983期 Bureaucracy

今天我们要学的词是bureaucracy。 Bureaucracy, 官僚。美国国防部长盖茨上周末公开对军方庞大的官僚体制提出批评。 Gates took aim at what he called a bloated bureaucracy, 他还保证要亲自过问，精简军方的官

发表于:2019-02-08 / 阅读(76) / 评论(0)

英语单词荟萃

大众拟用催化转化器修复受影响汽车

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(117) / 评论(0)

英语新闻

VOA标准英语10月-Conflict Resolution Marked Career of Nobel Laurea

Conflict resolution marked the career of former Finnish president Martti Ahtisaari who has received this year's Nobel Peace Prize for his efforts to secure peace in various regions of the world. In this report from Washington, Senior Correspondent A

发表于:2019-02-12 / 阅读(90) / 评论(0)

VOA标准英语2008年（十月）

音乐咖啡厅:Aly & AJ - We Three Kings

音乐咖啡厅:Aly AJ - We Three Kings 相关介绍：流行少女二重奏组合Aly AJ是由Alyson Michalka和Amanda Michalka2姐妹组成。2者分别只有14跟16岁走的是Pop Rock的路线。这张专辑是为Christmas/holiday所准备的，收

发表于:2019-02-19 / 阅读(166) / 评论(0)

音乐咖啡厅

好听的英文歌曲：Michelle Tumes-lovely

you're the sweet dreams that soothe me when i cant fall asleep you're the field in the middle of the city im rushing by in the speed of light you're the strong resolution when i found all the piece you're the church bells a ringin in the evening im a

发表于:2019-03-02 / 阅读(133) / 评论(0)

好听的英文歌曲

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assets leased to others

attachment effect

automatic program segmentation