Beam(-pumping) unit
[化] 抽油机
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
But we'd like to find out
但我们想知道
Poets are the unacknowledged legislators of the world.
诗人是世上没有得到承认的立法者。
Look at the mess you've made!
你搞得一团糟！