【植物】状南烛(Lyonia ligustrina)[亦作he-huckleberry, maleberry, privet andromeda]

Supermassive Black Holes 超大质量黑洞 - 6

When the results came down from the telescope he saw something that was completely unexpected. The picture from the active galaxy where he hoped to find a black hole was unreadable. NGC 1068 was just

发表于:2018-12-07 / 阅读(282) / 评论(0)

超大质量黑洞

VOA标准英语2010年-Know Where the 'Swamp Thing' Monster C

The state of Florida is best known for its beaches and swaying palm trees. But a good chunk of it is swampland. The famous Everglades, a slow-moving sheet of water full of plants and alligators, cover much of the southern part of the state. To the no

发表于:2018-12-16 / 阅读(45) / 评论(0)

VOA标准英语2010年(三月)

SSS 2009-01-05

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We residents of the Milky Way should have a little extra skip in our step today. Turns out our home galaxy is much bigger and moving a lot faster than we previously th

发表于:2019-01-08 / 阅读(55) / 评论(0)

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美国国家公共电台 NPR Penelope Lively Ponders Pompeii — And Other Stories — In 'The Purple Swamp Hen'

SCOTT SIMON, HOST: One of the world's most lauded novelists has produced her first collection of short stories in decades. The Purple Swamp Hen And Other Stories is by Penelope Lively, the Man Booker Prize winner for Moon Tiger and the best-selling H

发表于:2019-02-13 / 阅读(48) / 评论(0)

2017年NPR美国国家公共电台5月

Step by Step 3000 第2册 Unit11:Space(2)

Part 2. Astronomers discover solar system. Keywords. another solar system, planets, challenge. Vocabulary. constellation, astronomy, full-fledged, Jupiter. A. Listen to a science report, write down the information about the new solar system. What sci

发表于:2019-02-15 / 阅读(40) / 评论(0)

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英语听书《白鲸记》第720期

Chapter 82 The Honor and Glory of Whaling 第八十二章捕鲸业的令誉与荣华 There are some enterprises in which a careful disorderliness is the true method. 有若干冒险事业，它的真正的规律就是小心翼翼而又杂乱无章。

发表于:2019-03-10 / 阅读(109) / 评论(0)

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学英语单词

anterior commissurotomy

antilock

arm cable

artss