I know. Ive taken the astronavigation exam nine times.
我知道是真的，宇航测验我考了9次。
Houston is celebrated all over the world for astronavigation and medical treatment scientific research.
休斯敦以宇航和医疗科研闻名于世。
Therefore, if your astronavigation clothing has been delimited the hole, you must return to the cabin urgently.
所以，如果你的宇航服被划了洞，你必须紧急返舱。
We put on the regular astronavigation clothing to enter the vacuum cabin to inspect whether all normal.
我们穿上正规宇航服进入真空舱检查是否一切正常。
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