Oscillating plunger pump
[化] 摆动活塞泵
🧩 词语组成解析
[计] 振荡的
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
And you won't be able to speak for a while.
有一段时间 你们没有办法讲话。
I can't tell you how sorry I am.
我不知道我该怎样道歉。
In the middle of the night, two boys woke up and began shouting.
午夜前后，有两个孩子醒了，大声叫了起来。