Piston plunger pump
[机] 柱状活塞泵
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
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
I am an atheist.
我是一个无神论者。
It doesn't seem like that.
似乎不象是那样。
What's that fly doing in my soup?
我汤里的这只苍蝇在干什么呢？