Talk about the problems Galileo had on its mission 第二篇（Apollo programs） 1. What was the subject of Gilbert’s and Baldwin’s research A.
双语例句
1
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.
从20世纪60年代和70年代的阿波罗计划等早期太空计划，航天员研发了在月球上和太空中使用的物品。
2
That's not as bad as it seems: NASA was similarly grounded from 1975 to 1981, between the Apollo and shuttle programs.