Controlled volume pump
[化] 计量泵
🧩 词语组成解析
a. 受约束的, 克制的\\n[法] 受管制的, 受控制的, 受管辖的
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
See how things go for another month before you decide what to do.
你先等一个月，看看形势的发展再作决定。
I did it without much difficulty.
我没费多少劲就完成了那项工作。
I have a letter of introduction here.
我这儿有一封介绍信。