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
What kind of job do you have?
你做什么工作？
Well, thank you for coming.
唷，谢谢你的光临。
But having satisfied the requirements of practical necessity, most people go no further.
但是，大部分人在满足了实际需要后，就不再继续发展这种能力了。