Helicoidal pump
[化] 螺旋泵
🧩 词语组成解析
n. 螺旋面
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's your trade-in policy?
这里对汽车是怎样做折价处理的？
But the yesterday's forecast reported it'd be fine.
不过，昨天的预报说是会放晴的。
His parents did not know what was wrong.
他的父母亲不知道他有什么毛病。