1. Private spaceflight could lie within reach of rich civilians in a few years.
几年后，有钱的平民就可以进入私人太空飞行了。
youdao
2. There was an astronaut who peed in his spacesuit before liftoff-- a seemingly inauspicious start to what became the first American manned spaceflight.
3. This only applies to American space activities, but the hope is that it will help standardize a set of norms in the dawning commercial spaceflight industry throughout the world.
这只适用于美国的航天活动，但希望是它将有助于使全世界商业航天工业的一套规范标准化。
youdao
4. There is no doubt that spaceflight entails risks, and to pioneer a new mode of travel is to face those risks, and to reduce them with the benefit of hard-won experience.
