看到航天员在太空行走时的美丽画面和矫健身姿,你一定非常羡慕,畅想着自己也能有机会到太空邀游一番。不过,太空环境恶劣,要想拥有像航天员一样棒的本领,不仅要付出超出常人的艰辛努力,还要练就过人的意志和胆识。倘若你遇到了科幻电影中虚构的可怕情境:一位航天员正在 See the astronauts in space while walking the beautiful picture and vigorous posture, you must be very envious, Imagine yourself also have the opportunity to invite some space tour. However, the harsh space environment, in order to have the same great ability as astronauts, not only to pay extraordinary efforts beyond ordinary people, but also trained extraordinary will and courage. If you encounter a fictional scary situation in science fiction movies: An astronaut is