Pump stroke
[化] 泵冲程; 泵行程
🧩 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;
stroke
[strok]
n. 一击;击球;划水动作;中风;
vt. 划掉;轻抚;轻触;敲击;
vi. 击球;作尾桨手，指挥划桨;
🗣️ 情景例句
the voters will have a clear choice.
投票人可以有明确的选择。
How many provinces do you have?
你们有多少个区？
We felt sure that sooner or later a stone would rip a hole in our petrol tank or damage the engine.
我们想念迟早会飞起一个石块把油箱砸开一个窟窿，或者把发动机砸坏。