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
we don't have to.
我们不必勉强。
Nice to meet you, too.
认识你我也很高兴。
What are you up to?
你在忙什么呢？