Ram pump
[化] 柱塞泵
🧩 词语组成解析
ram
[ræm]
n. 公羊;<天>(R-)白羊（星）座;<机>夯;攻城槌;
vt. 夯实（土等）;猛撞;猛压;反复灌输;
vi. （使）猛烈撞击;迅速移动;迫使…明白;
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 do you often do in your spare time?
你在业余时间都干些啥？
How long will it take you to have it fixed?
你要多少天才能把它修理好？
Suddenly, there was a slight trembling sound from below, and the captain went down to see what had happened.
突然，从船舱下部传来一声微颤音，船长走下船舱去查看究竟。