Spaceflights
(spaceflight 的复数) n. 外层空间飞行
🗣️ 情景例句
What's troubling you?
你有什么麻烦？
I really must be going now.
现在我真的该告辞了。
I was not surprised to find that the machine still refused to work after I had reassembled it,
等我装完后，那台割草机仍然一动不动，对此我倒并不感到吃惊。