Thereafter, the impetus for manned flight was lost.

从那以后，载人飞行的动力就消失了。

youdao

Although Project Firefly is still grounded, Hartman expects manned flight tests to begin soon.

尽管萤火虫项目还没有起飞，哈特曼预计很快就会开始载人飞行试验。

youdao

The Wright brothers were not the first to fly, but they are still regarded as the fathers of manned flight.

莱特兄弟也不是第一个飞上天的，但仍被称为载人飞行之父。

youdao

Their purpose was to explore some of the problems of manned flight, during short periods,in lower space.

VOA: special.2010.07.07

The first manned flight of project Mercury was a complete success.

VOA: special.2009.06.17

It was the first manned flight of project Mercury.

VOA: special.2009.06.10

The last mission carried all the equipment necessary for manned flight and tested life-support systems.

BBC: NEWS | Science/Nature | China space mission 'on track'

It carried two astronauts this time, one more than China's first manned flight in 2003.

NPR: China Launches Manned Spacecraft

Officials say the manned flight will take place during the daytime to aid the tracking of the capsule.

BBC: NEWS | Science/Nature | China manned space mission nears