单词：liquid radwaste tank failure
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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
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
VOA标准英语2014年(十二月)
AUDIE CORNISH, HOST: We tend to mark our successes in life, but what if we're thinking about it the wrong way? What if it's failure that shapes us? All this month in a series we're calling Total Failure, we will examine mistakes and how they change p
2017年NPR美国国家公共电台5月
The U.S. space agency is moving ahead with preparations for Thursday's scheduled launch of the space shuttle(航天飞机) Discovery on its mission to the International Space Station. NASA said it was loading liquid oxygen and liquid hydrogen into th
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战胜失败Learn as much as possible from the failure从失败中多多学习 Learn from yesterday, live for today, hope for tomorrow. Albert Einstein向昨天学习,为了今天而活,为了明天而充满希望。 爱因斯坦While failure brings
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