幕骨腱

英语听力文摘 English Digest 668 为何一些人是双关节？

Why Are Some People Double-Jointed? Can you bend your thumb backwards until it touches your wrist? If you join your hands behind your back, can you lift them over your head without letting go? If you can, you might be what some people call double-joi

发表于:2018-12-05 / 阅读(43) / 评论(0)

英语听力文摘 English Digest

ECONOMICS REPORT - Business Organizations, Part 2: The Corpo

ECONOMICS REPORT - Business Organizations, Part 2: The Corporation By Mario Ritter Broadcast: Friday, February 13, 2004 This is Bob Doughty with the VOA Special English Economics Report. Last week, we

发表于:2018-12-07 / 阅读(29) / 评论(0)

健康与经济

英文书摘精选为什么有些人是双关节?

Can you bend your thumb backwards until it touches your wrist? If you join your hands behind your back, can you lift them over your head without letting go? 你是否能将大拇指向后弯曲直至其触碰到手腕部位？你将双手在背后紧握

发表于:2018-12-18 / 阅读(30) / 评论(0)

2018年NPR美国国家公共电台2月

美国科学60秒 SSS 2012-10-09

Sauropods like Brachiosaurus and Diplodocus were the biggest beasts to ever roam the Earth. And these dinosaurs had enormously long necks. Which poses an anatomical problem: they needed to move their necks side to side and up and down to graze, but t

发表于:2019-01-08 / 阅读(45) / 评论(0)

Scientific American(十)月

英语听力文摘 English Digest 500、鸟儿如何睡觉

How do birds sleep? How do birds hang onto trees when theyre asleep? Why dont they fall off? That's easy. It's because of the hallux toe. Hallux toe? Is that the toe on some birds that points backwards instead of forwards? That's the one. We already

发表于:2019-01-26 / 阅读(36) / 评论(0)

英语听力文摘 English Digest

2007年VOA标准英语-Thai Court Orders Thaksin to Show Up for Corrup

By Roger Wilkison Bangkok 10 July 2007 Thaksin Shinawatra A panel of Thai Supreme Court judges has agreed to hear the first corruption case against former Prime Minister Thaksin Shinawatra next month. From Bangkok, Roger Wilkison reports the court or

发表于:2019-02-04 / 阅读(95) / 评论(0)

2007年VOA标准英语（七月）

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