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
The train is just up the street.
地铁车就在街的那一头。
It's time for me to get up.
是我起床的时间了。
Even when it was raining heavily, he refused to carry an umbrella.
即使大雨倾盆，他也总是拒绝带伞。