【astronaut音标】 英[ˈæstrənɔ:t] 美[ˈæstrənɔ:t]
【单词释义】 astronaut是什么意思：
n.宇航员；太空人；航天员
[单词分级] 高考英语词汇
[单词复数] astronauts
【关联词/派生词】
astronomer n.天文学家
astronomy n.[U]天文学
astronomical adj.天文学的；天文的；极其巨大的
astrophysics n. [U] 天体物理学
astrophysicist n. 天体物理学家
【单词例句】
◇ A year ago, the famous astronaut received an invitation by airmail from a remote village.
一年前，那位著名的宇航员收到一份由一个偏远村庄通过航空邮件寄来的邀请。
---- Helping the Remote Village
◇ It paves the way for private citizens to travel to the ISS aboard rocket-and-capsule launch systems being developed by Boeing Co and Elon Musk's SpaceX. The two companies are set to ferry astronauts to the ISS from US soil for the first time in nearly a decade.
这为普通民众搭乘波音公司和埃隆·马斯克的太空探索技术公司研发的火箭及太空舱发射系统前往国际空间站铺平了道路。这两家公司都准备近十年内首次将太空旅行者从美国送到国际空间站。
---- NASA to open space station to private citizens
◇ Circadian rhythms are our internal clocks that tell our bodies when to get up, eat and sleep throughout 24-hour cycles. Many studies have found that work which syncs with our circadian rhythms results in greater productivity and less fatigue. Even space agency Nasa has monitored circadian rhythms to improve astronauts' productivity and health.
生物昼夜节律是人体的生物钟，告诉我们的身体在一天中何时起床、吃饭和睡觉。很多研究发现，工作时间与昼夜节律吻合能提高工作效率，减少疲劳。连美国航天局也在监控宇航员的昼夜节律，以提高工作效率，改善健康状况。