Boiler pump
[化] 锅炉试验泵
🧩 词语组成解析
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
After studying an hour, I finally got the hang of the lesson.
我学习了一个小时，终于理解了这一课的要点。
How did you decide that product was safe?
你怎样决定产品是安全的呢？
An old watch, by contrast,
然而一只老掉牙的手表，