The cleaning device can provide two functions, besom and mop, which can be very conveniently switched, and the space for storing can be reduced.
该清洁装置可提供打扫和拖地两种功能，这两种功能之间的转换方式非常方便，还可以节省存放空间。
He always stayed after school to straighten chairs and mop the floor.
放学后他总是留下来把椅子摆整齐，然后拖地。
Three of us sweep and mop the floor and the remainder clean the window.
我们之中三人扫地拖地板，其余的人擦玻璃。
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