Metering pump
[化] 计量泵
🧩 词语组成解析
n. 测光模式；计量, 测量
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
What is it?
那是什么？
It seems he's generous.
看起来他好像很大方。
It was a cold spring morning in the city of London in England.
英国伦敦，一个寒冷的春天的早晨。