Variable stroke plunger pump
[化] 可变冲程柱塞泵
🧩 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;
plunger
[['plʌndʒə]]
n. 跳水者, 潜水者, 活塞\\n[电] 活柱
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
I can speak English as far as foreign languages are concerned.
就外语来说，我只会讲英语。
What is the coldest region in this country?
这个国家最冷的地带是哪里？
I've never met him but I've talked to him on the net.
我没见过他，但我和他在网上聊过天。