In early space programs, such as the Apollo missions of the 1960s and 1970s, and in the Space Shuttle missions today, scientists developed objects for the astronauts to use on the moon and in space.
2
航天员已经在月球上漫步过，太空探测器也在火星登陆，而太空望远镜更是捕捉到遥远星系的惊人影像。
Astronauts have walked on the moon, probes have landed on Mars, and space telescopes have captured stunning images of distant galaxies.
3
航天员是惯用词前天在电视上看到中国的首次太空行走感到很兴奋。
Watching China's first space walk live on television the previous day was fascinating.
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