Coffer dam
[医] 橡皮障, 堤
🧩 词语组成解析
coffer
[['kɔfə]]
n. 保险箱, 金库\\nvt. 把...锁进箱子
dam
[dæm]
n. 水坝，堰;水库;（牙科用的）橡皮障;〈比喻〉障碍;
vt. 用水坝阻止;阻塞，抑制;
🗣️ 情景例句
The annual school sports meet is held in March.
每年一次校运会在三月份举行。
Virtue is the only true nobility.
唯有美德是真正高贵的。
Really? So was my friend Bob White. Do you know him?
真的吗？我的朋友鲍勃·怀特也在中心学校。你认识他吗？