caisson
n
1 large watertight box or chamber in which men can work under water (eg when building foundations) 沉箱(工人进行水下作业, 如建底座时所乘的大潜水箱).
2 large box (usu on wheels) in which ammunition is carried 弹药箱; (通常为)弹药车.
🗣️ 情景例句
I think we're going to be good friends.
我想我们可以成为好朋友。
It really hurts.
可真疼。
On the third lap, the Class 3 and Class 1 runners both ran very fast.