单词：chessner
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Last time we talked about how astronauts eat and drink under weightless conditions in space. Today we'll cover the next question kids love to ask-how do astronauts go to the bathroom in space? It may sound silly, but it's really a good question, beca
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It may sound silly, but its really a good question, because weightlessness does make a visit to the latrine a tricky proposition. Weightlessness poses two main problems in the bathroom. The first is that an astronaut could drift away from the bowl at
英语听力文摘 English Digest
Helen: This is Real English from BBC Learning English. Im Helen. Zoe: 大家好，我是刘佳。 Helen: Today were going to look at words and phrases that have recently become part of the English language. Zoe: 在今天的地道英语里，我们来学习一些当代英语中最
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If I could write you a song, and make you fall in love, I would already have you up under my arm. I used to pull all my tricks, I hope that you like this. but you probably won't, you think you're cooler than me. you got designer shades, just to hide
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Questions Remain on Ebola Waste Disposal 埃博拉的废物处理费问题 Ebola is contracted by coming into contact with the bodily fluids of an infected person. Health workers wear spacesuit-like protective gear when treating patients. But researc
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新人新歌：Mike Posner - Cooler Than Me 杜克大学刚毕业的Mike Posner，刚刚发行的新单曲Cooler Than Me就迅速打入了Billboard top50，与此同时，此歌曲还被纳入了游戏《模拟人生3：野心》的OST中，于此可见
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