宇宙飞船很快就要发射了，控制室的人已经开始在倒数了。

The spaceship will soon be launched, the people at control have already begun to count down.

youdao

宇宙飞船很快就要发射了，控制室的人已经开始在倒数了。

The spaceship will soon be launched, the people at control have already begun to count down.

youdao