mop的现在分词：mopping
v.用拖把擦干净;用布擦掉(表面)的液体
例句：
Mother started mopping up the oil.
母亲开始把泼出的油揩干。
You\'ll be mopping it for the rest of the week.
这周的地板就归你拖了。
Don\'t go in the kitchen, I\'ve just finished mopping the floor.
不要进厨房，我刚拖完地板。
