载人航天 manned spaceflight ; manned space flight
载人航天计划 manned space program ; manned space ; a manned space mission ; ma ed ace program
载人航天飞行列表 List of human spaceflights ; List of human spaceflights chronologically
载人航天工程 the manned space flight project ; manned space program ; human spaceflight mission
载人航天事业 manned spacecraft engineering
载人航天器 [航] manned spacecraft ; inhabited spacecraft ; manned space flyer
首次载人航天飞行 first manned spaceflight
多功能载人航天器 MPCV
载人航天飞机 manned spacecraft ; manned spaceship
载人航天中心 manned spacecraft center ; MSC
曾经有一个宇航员在起飞前尿到了他的宇航服里——这对美国的第一次载人航天飞行来说似乎是一个不祥的开始。
There was an astronaut who peed in his spacesuit before liftoff-- a seemingly inauspicious start to what became the first American manned spaceflight.
他说这也就是他赞成进行载人航天飞行的原因。
但是，归根结底，为什么要花钱在载人航天飞行上呢？
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