Spaceflight
n. 外层空间飞行
🗣️ 情景例句
A little knowledge is dangerous.
一知半解最危险。
There is a phone booth in the corner.
在转角处有个电话亭。
They saw many old things on show in glass-topped tables.
他们看到了在带玻璃罩的桌子里展出的许多古老的东西。