英 [ˈæstrənɔːt] 美 [ˈæstrənɔːt]
n. 宇航员，太空人
astronaut /ˈæstrəˌnɔːt/ CET6+ TEM4
可数名词 An astronaut is a person who is trained for travelling in a spacecraft. 宇航员
航天员-引用次数：10
宇航员
宇（宙）航（行）员
航天员-引用次数：3
BackgroundA great deal of scientific data and experiments have indicated weightlessness andsimulated microgravity can lead to apparent muscle atrophy. Muscle atrophy affects astronaut performance both in- and post flight.
研究背景:大量的研究数据和实验资料表明,在失重和模拟失重条件下,骨骼肌会出现明显的废用性萎缩,不仅对航天员返回时的救生构成严重威胁,而且影响航天员返回地面后的再适应能力,因此,寻找有效的预防和治疗肌萎缩的药物,是航天医学领域亟待解决的重要课题之一。
宇航员-引用次数：2
宇宙航行员
通常优秀的F1车手在6至8岁时已经打仗卡丁车，但培养一个战斗机飞行员(宇航员(Astronaut)均从战斗机飞行员中选拔(Select))是初中以后的事。天长地久有时尽，此恨绵绵无绝期。
【闲聊】太空人(Astronaut): 第五关过的好快 【闲聊】萧峰(Xiao feng): 魏四劝服杀手，被奖励了一万一千二百三十点经验、七千五百五十六点潜能、四百点江湖...
... astromonicalspacecraft天文航天器 astronaut宇宙航行员；宇宙航空员 astronautics航天学；宇宙航行学 ...
astronautic 太空航行的；宇航员的
astronautical 宇航的；太空航行学的；航天员的（等于astronautic）
astronomically 天文学上地；宇航学地；天体地
astronautics 航天学；宇宙航行
astronavigation 太空航行；[航] 天文导航
Astronaut Pierre Thuot tried to latch the 15-foot robotic arm onto the satellite.
宇航员皮埃尔·索特想要把这个长15英尺的机械手安到人造卫星上。
Welcome the woman astronaut!
欢迎女宇航员！
Could you be an astronaut?
你能成为宇航员吗？
The United States had sent an astronaut of its own into space for the first time in nineteen sixty-one.
VOA : special.2009.07.08
Meanwhile, as all this is going on, Hal and Dave, the human astronaut, are talking to each other.
与此同时,一切都在进行中,哈尔和那个叫戴夫的人类宇航员交谈
死亡课程节选 : 耶鲁公开课
For example, in outer space, you've got an astronaut.
比如在外太空,假如你是宇航员
基础物理课程节选 : 耶鲁公开课
John Glenn, the former astronaut who was then a senator from Ohio, put it this way: "I know the Great Lakes.
VOA : special.2009.01.05
The fire was so big that American astronaut John Glenn could see it from space as he orbited Earth.
VOA : special.2009.03.22
When he was selected for astronaut training he was working with the Anglo-Italian helicopter company AgustaWestland.
BBC: UK astronaut Tim Peake to go to International Space Station
On the right is astronaut Eugene Cernan, the last man to walk on the moon.
In April last year, Seoul sent its first astronaut into space aboard a Russian Soyuz rocket.