A space navigator wishes to determine his velocity of approach as he nears the moon . 一个宇宙飞行员希望确定出他接近月球时的逼近速度。
It is in this sense that an astronaut orbiting the earth in a space capsule is said to be "weightless" . 就在这种意义上,宇宙飞行员在宇宙密闭小舱里,环绕地球飞行时被说成是“失重”了。
The launch of china ' s first astronaut comes 42 years after soviet cosmonaut yuri gagarin became the first man in space aboard vostock 1 中国首位宇航员的发射升空是在苏联宇宙飞行员尤里?加加林搭载在东方一号飞船上成为太空第一人42年后进行的。
其他语种释义
宇宙飞行员的法语:astro naute spationaute cosmonaute habitant de l’espace taïkonaute astronaute