astronaut 2026-04-29 0 n.宇航员; 航天员 复数：astronauts第三人称单数：astronauts 牛津词典 noun 宇航员；航天员a person whose job involves travelling and working in a spacecraft 柯林斯词典 航天员;太空人;宇航员An astronaut is a person who is trained for... 阅读更多
