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
Excuse me, do you know...?
打扰一下，你知道...？
There is a small choice in rotten apples.
朽木不可雕。
Letters will cost a little more, but they will certainly travel faster.
这样会稍微多花点钱，但肯定是快得多了。