单词：weightlessness countermeasures
单词：weightlessness countermeasures 相关文章
1. adjust,适应(要说明适应什么就在adjust后加to)。 eg：Astronauts in flight must adjust to weightlessness. 宇航员在飞行中得适应失重状态。 2. into,在口语中可表示对...很有兴趣,热衷于,入迷。 eg:She's really
蒋健棠教你听英语广播
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
Some of the issues that are important if you want to have people in space for long periods of time. 如果人类想长期置身太空，有几个重要的问题不得不考虑。 One is that people will tend to lose bone and muscle mass. 其中之一就
TED演讲教育篇
The space lecture featured a QA session towards the end. Students questions ranged from what space looks like from Tiangong-1 to what problems the human body has faces in space. One of the students asked if the astronauts can see space junk and how S
CCTV9英语新闻2013年07月