Piston pump
[化] 活塞泵
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
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
We finished addressing over three hundred envelopes.
我们写了三百多个信封地址了。
Cheat's never proper.
欺骗决非正当事。
He drives more carefully than you.
他开车比你小心。