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VOA标准英语2010年-US Scientists Unlock Clues to Mystery

Researchers find circadian clock in Monarch's antenna plays a major role in navigation Shelley Schlender | Michoacn, Mexico 22 March 2010 Scientists believe antennas are critical to the navigation of the Monarch butterfly. Related Links Monarch Watch

发表于:2018-12-16 / 阅读(66) / 评论(0)

VOA标准英语2010年(三月)

国家地理-2008-04-28 Mount Kilimanjaro 乞力马扎罗山

It is called the Roof of Africa. Rising 19,340 feet nearly 4 miles into the sky, Mount Kilimanjaro is the highest point on the entire African continent. Located in northeastern Tanzania in east Africa, Mount Kilimanjaro is about equal distant from C

发表于:2018-12-30 / 阅读(60) / 评论(0)

国家地理2008年

简单慢速英语阅读:The Indoor Antenna

Brian didnt have cable TV. He didnt have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He looke

发表于:2019-01-02 / 阅读(78) / 评论(0)

简单慢速英语阅读

原版英语小短文 25. The Indoor Antenna

Brian didn't have cable TV. He didn't have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He loo

发表于:2019-01-02 / 阅读(64) / 评论(0)

原版英语小短文

EXPLORATIONS - Mount Saint Helens

EXPLORATIONS - Mount Saint Helens By Paul Thompson Broadcast: Wednesday, October 13, 2004 (MUSIC) VOICE ONE: This is Faith Lapidus. VOICE TWO: A view of Mount Saint Helens. And this is Steve Ember wit

发表于:2019-01-02 / 阅读(70) / 评论(0)

Explorations

科学美国人60秒 SSS Giant Alien Antenna

(Probably Not a) Giant Alien Antenna强大的外星人光束 The Earth is studded with telescopes, listening for electromagnetic radiation from the great beyond. And a decade ago, astronomers stumbled upon a mysterious signal: a powerful pulse of rad

发表于:2019-01-20 / 阅读(70) / 评论(0)

2017年Scientific American(三)月

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air temperature gauge

albopapular form of epidemolysis bullosa

automatic switch grease