Propeller pump
[化] 旋桨泵
🧩 词语组成解析
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 is your biggest accomplishment on the job?
你在工作上最大的成就是什么？
I'm going to show him how to speak French.
我正要指点他如何讲法语。
but the paper was wrapped round a drum which rotated slowly.
根但是纸是卷在慢慢旋转的圆筒上的。