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
But next time, please ask me in advance to make a speech.
不过下一次请事先通知我一声要做演讲喔。
Do not cut down the tree that gives you shade.
不要忘恩负义。
Fortunately, however, ancient men made tools of stone, especially flint,
然而， 幸运的是，远古人用石头制作了工具，特别是用燧石，