Variable stroke pump
[化] 变量泵
🧩 词语组成解析
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;
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
for his ten o'clock appointment with you.
等着十点钟与你的晤谈。
The dogs bark, but the caravan goes on.
我行我素，岂管他哉。
We had better go back to the station now,Ken.
肯，我们现在最好回车站去。