Caissons
(caisson 的复数) n. 弹药箱, 弹药车, 沉箱(水下工程用)\\n[医] 沉箱
🗣️ 情景例句
Try again.
再试一次。
A courageous foe is better than a cowardly friend.
勇敢的敌人胜过懦怯的朋友。
What do you mean?
你这话是什么意思？