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
Use your head.
动动你的大脑。
To operate a steam locomotive
驾驶蒸汽机车
but then she decided that at her age it might be more prudent to have someone with her,
但转念一想，像她这个年纪，最好找个人一起去。