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
My mother promised me a birthday party with a clown.
我妈妈答应给我办一个有小丑的生日派对。
God's mill grinds slow but sure.
天网恢恢，疏而不漏。
He said that it would be possible to build a platform in the centre of the Channel.
他说，可以在隧道中央建造一座平台，这座平台将用作码头和火车站。