Wet vacuum pump
[化] 湿式真空泵
🧩 词语组成解析
wet
[wɛt]
adj. 湿的;下雨的;懦弱的;（儿童）尿湿尿布的;
n. 湿地;液体;窝囊废;雨天;
vt. 使潮湿;把…弄湿;
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
Come here.
过来这儿。
A watched pot(pan) is long in boiling.
心急水不沸；盼得越切，来得越迟。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。