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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
英语听力文摘 English Digest
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
2018年NPR美国国家公共电台2月
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
Scientific American(十)月
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
英语听力文摘 English Digest
爱情，当然是要享受一点浪漫。用实用而浪漫的英语给对方发个爱情短信，不失是一件很甜蜜的事情。 I love you not because of who you are, but because of who I am when I am with you。 我爱你，不是因为你是一
英语新闻
A new report says the world's developed economies appear headed for stronger growth in the coming months, with China advancing as well. The Paris-based Organization for Economic Cooperation and Development said Tuesday that its gauge of future econom
英语新闻