Plunger pump
[化] 活柱泵
🧩 词语组成解析
plunger
[['plʌndʒə]]
n. 跳水者, 潜水者, 活塞\\n[电] 活柱
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
She'll love it. It's a once-in-a-lifetime offer, Harry.
她也会喜欢的。这是个千载难逢的机会， Harry。
I'm sorry to burst in on you like this, but I'm really upset.
我很抱歉这样突然地找您，但我真的很心烦。
I was thinking of 40% off.
打个6折吧。