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 does he say?
他说了些什么？
It's nothing.
小事情。
This decline in vigour with the passing of time is called ageing.
生命力随时间的流失而衰退叫做衰老。