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
You should treat them with more consideration.
你应该多体谅他们一些。
A new bicycle is out of the question - we can't afford it.
买新自行车的事谈不上 —— 我们买不起。
and content in the thought that what was possible has been done.
想到能做的事都做了，也就坦然了。