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
If you fail this test you'll be kicked out of school.
你这次考试要是不过就得离校。
The (or A) beggar may sing before the thief (or footbad).
既是穷光蛋，何虑窃贼偷。
We've got plenty of time.
我们时间还很宽裕。