犬牙壳目, 犬牙壳类

美国国家公共电台 NPR Apps Can Cut Blue Light From Devices, But Do They Help You Sleep?

DAVID GREENE, HOST: OK, now let's talk about some light that is probably not as good for you. This is the light coming from your smartphone or other screens. It's known as blue light. And it can really interfere with your sleep. Some people are using

发表于:2018-12-17 / 阅读(58) / 评论(0)

2017年NPR美国国家公共电台11月

侏罗纪搏击俱乐部第36期:接二连三发现骸骨

Then, Ostrum's crew made another discovery - lying next to the Raptor was a second skeleton. 紧接着，奥斯特伦姆的团队有了另一个发现，在迅猛龙旁边还有第二具骸骨。 Two Raptors, side by side. 两头迅猛龙紧挨着。

发表于:2018-12-28 / 阅读(54) / 评论(0)

侏罗纪搏击俱乐部

SSS 2008-11-07

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. One of the most important archaeological finds in history was the Dead Sea Scrolls. These documents include some of the earliest written records of the

发表于:2019-01-08 / 阅读(75) / 评论(0)

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饶舌:Young Jeezy - Vacation

歌曲： Vacation 艺人： Young Jeezy 音乐星级： ★★★★ 所属专辑： The Recession 发行年代： 2008 风格： Rap 歌词： I got to.. Like that don't cha yeah yeah yeah (hahaha) yeah n**** turn me up a lil bit said I'm stressed out..so tired my days..s

发表于:2019-01-11 / 阅读(181) / 评论(0)

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2007年VOA标准英语-Scientists Find DNA That Determines Dog Size

By David McAlary Washington 05 April 2007 Scientists have discovered a genetic reason why some dogs are small and others big. They say the finding has implications beyond canine size, since the work applies to the study of other complex genetic trait

发表于:2019-02-05 / 阅读(82) / 评论(0)

2007年VOA标准英语（四月）

美国国家公共电台 NPR The Unsung Heroine Who Helped Shape 'Suicide Squad'

The Unsung Heroine Who Helped Shape 'Suicide Squad' AUDIE CORNISH, HOST: The summer's final big comic book movie opened today. Suicide Squad is not an ordinary superhero movie. For one thing, it's about supervillains. And its original story was conce

发表于:2019-02-13 / 阅读(54) / 评论(0)

2016年NPR美国国家公共电台8月

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