| 单词 | 宇宙空间 |
| 释义 | 〔jetpack〕A backpack that is maneuvered by jets and permits an astronaut to move about alone in space away from a spacecraft.背包：装有喷气式动力装置且可以使宇航员在离开宇宙飞船后能独自在宇宙空间行走的背包〔panspermia〕The theory that microorganisms or biochemical compounds from outer space are responsible for originating life on Earth and possibly in other parts of the universe where suitable atmospheric conditions exist.有生源说，胚种论：一种学说，认为来自宇宙空间的微生物或生物化学物是地球上生命的起源，并且在宇宙的其他部分可能有适合的大气状况存在〔Gagarin〕Soviet cosmonaut. In 1961 he became the first person to travel in space. He was killed while flying a routine aircraft training mission.加加林，尤利·阿列克谢耶维奇：(1934-1968) 1961年第一个进入宇宙空间的苏联宇航员，在一次飞机试飞中遇难〔spaceward〕Toward, to, or in outer space.向太空：向、去或位于宇宙空间的〔walk〕The self-controlled extravehicular movement in space of an astronaut.太空步：宇航员在宇宙空间宇宙飞船外的自我控制的运动 |
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