Portable pumping unit
[化] 可移动泵设备
🧩 词语组成解析
n. 抽水, 泵送\\n[化] 抽运
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Oh, it's a quarter to four,
噢 ，差十五分就四点了，
Wade not in unknown water.
不知水的深浅，不可粗心趟水过河。
It suddenly dawned on me that this express was not roaring down the line at ninety miles an hour, but barely chugging along at thirty.
我突然感到这趟快车并没以时速90英里的速度呼啸前进，而是卟哧卟哧地向前爬行，时速仅30英里。