单词：
单词： 相关文章
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
Why Is Gravity Good For Us? When astronauts return from long missions in space, their exit from the spacecraft is usually hidden from public view. This is because after several months in weightless conditions, things we usually take for granted, such
英语听力文摘 English Digest
In the US more people are developing kidney failure, and are becoming candidates for a transplant Most of the studies on kidney donation focus on the recipients and how well they adjust to their new kidneys. A new study documents how well donors fare
VOA标准英语2010年(三月)
Idiom: Practice what you preach 言行一致 Hit the book: Audience Circumstance Proceed Resist Channel Suppress 1. If you want to talk (or sing, act, etc.), you have to breathe. And if you want to do these things calmly, you'll need to breathe diaph
趣味青春英语
By Carol Pearson Washington 02 November 2007 World Health Organization statistics show kidneys are the most sought after donor organs but there is a global shortage. Some countries have established national pairing programs for prospective donors and
VOA常速英语2007年（十一月）