There was an astronaut who peed in his spacesuit before liftoff-- a seemingly inauspicious start to what became the first American manned spaceflight.

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。

Prior spaceflight experience is desirable.

最好有太空飞行的经历。

They began to start on a new spaceflight plan.

他们又开始实施一项新的航天计划。

Investigating Novel Approaches to spaceflight.

研发太空飞行的新的方法。

Manned spaceflight is no longer a two-horse race.

载人航天领域不再是两匹马的比赛。