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
Brown was friendly and easy-going.
布朗待人友善。
Thank you but this is something I have to solve by myself.
但有些事情我必须自己解决。
There is a broken small old gray stone bridge over the river.
河上有一座破烂不堪的、古老的、灰色的小石桥。