【天体物理学】银河系窗孔

VOA慢速英语2009年-AMERICAN MOSAIC - Virgin Galactic Plan

HOST: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Doug Johnson. Today, we play jazz music by a young saxophonist, Hailey Niswanger And answer a question about the history of blue jeans ... But first, we tell about one company's pla

发表于:2018-12-01 / 阅读(155) / 评论(0)

VOA慢速英语2009年（十二）月

Windows将推出全新版本

Next Windows will be different. “Long Horn, the next vision of Microsoft Windows will be so different from its predecessors that users may not like it right away”, Microsoft chairman and chief of

发表于:2018-12-18 / 阅读(49) / 评论(0)

有声杂志阅读

Earth and Sky:Galactic Rotation 银河系自转

Galactic Rotation 银河系自转 Astronomers calculate there is ten times more matter in our Milky Way galaxy than we can actually see. Discover how the orbital motions of stars in the galaxy reveal dark matter -- on today's Earth and Sky. JB: I'm Joel

发表于:2019-01-02 / 阅读(129) / 评论(0)

(科普英语)Earth and Sky

VOA慢速英语2018--维珍银河完成载客飞船的测试

Virgin Galactic Completes Test of Spaceship to Carry Tourists Virgin Galactic says its spacecraft designed to launch tourists into space completed an important test flight on Thursday. The rocket ship, called SpaceShipTwo VSS Unity, climbed more than

发表于:2019-01-11 / 阅读(47) / 评论(0)

2018年VOA慢速英语(十二)月

英语听力：2013-11-03 地平线：黑洞吞噬—20

The super bright quasar phase having ended many billions of years ago, when the fuel that fires violent emissions was completely consumed. But now, with the approaching gas cloud and a prospect of feeding, the black hole should get brighter. Exactly

发表于:2019-01-23 / 阅读(30) / 评论(0)

探索与发现2013年

关于windows10你必须了解的8件事

If you're new to the party and have questions, I've got some answers on the latest step for Windows. 如果你刚接触Windows 10，对此还有疑问，那么我可以回答你一些Windows的最新进展。 1. When can I upgrade? And how much will

发表于:2019-02-05 / 阅读(51) / 评论(0)

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学英语单词

a fruit

alleage

analytic program proving

andricuss

anterior ligament of head of rib