There was a woman mopping the stairs.
有个女人正在拖楼梯。
There are a few things that need mopping up before I can leave.
我还有几件事儿，了结了才能走。
她不是在拖地板。
他们还在用拖把擦磁砖。
A. Oh, they are mopping the floor.
喔，他们正在拖地。
另外两个在擦地。
她正在拖地板。
Do you know that he has already started mopping?
你知道他已经开始拖地了吗？
Wei: Maybe he got a job mopping the deck of the pirate ship.
小薇：也许他找到在海盗船甲板上擦地的工作。
Wei: Maybe he got a job mopping the deck of the pirate ship.
小薇：也许他找到在海盗船甲板上擦地的工作。
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