n.宇宙飛行員(宇宙航行員；宇宙科學(xué)工作者)
She say with a straight face she see green spacemen in the back yard. 她面無表情地說她在后院看到綠色外星人。
There are five spacemen in the spaceship. 宇宙飛船里有五個(gè)飛行員。
