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
We propose a change.
我们建议做一下改变。
He came at a bad time.
他来的不是时候。
but a medicine that had worked so well in one form of illness would surely be of equal benefit in another,
只知道一种药对一种病有好处，肯定对另一种病也会有好处。