Plunger pump
[化] 活柱泵
🧩 词语组成解析
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
They are in Thessaloniki.
他们住在Thessaloniki
Until Monday or Tuesday of next week.
借到下周一或周二。
I'm afraid some people forgot to sweep the floor.
它不如平时干净，恐怕是一些人忘记扫地了。