Variable(displacement)pump
[化] 变量泵
🗣️ 情景例句
But please call first.
不过，请你先打电话。
Better wit than wealth.
智力胜于财富。
For a whole week I did not smoke at all and during this time, my wife suffered terribly.
整整一个星期我根本没有吸烟。在此期间，我妻子吃尽了苦头。