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
Good morning. Robbie.
早安， Robbie。
The path of duty is the path of safety.
尽职的路是安全的路。
Oh, thanks very much. I'd love to. What time is it going to start?
噢，非常感谢。我当然想去。聚会什么时候开始？