Spaceflights
(spaceflight 的复数) n. 外层空间飞行
🗣️ 情景例句
The vitality of the movement is threatened.
这个运动的生命力岌岌可危。
I hope you get to the airport on time.
我希望你准时到机场。
Oh, it doesn't matter!
噢，没关系！