Boiler drum
[机] 汽锅鼓, 锅身
🧩 词语组成解析
drum
[drʌm]
n. 鼓;鼓状物;鼓声;石首鱼;
vt. 击鼓;连打;反复讲;鼓吹;
vi. 击鼓;连打;拍翅;
🗣️ 情景例句
She takes her exams next week, so she's burning the midnight oil.
她下周要考试，所以在开夜车。
I'm here on business.
我来这里出差。
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。