360　clean, sweep和wipe

1　clean 指用各种方式“把……打扫干净，弄干净”，用得较广。

We clean the blackboard before class. 我们在上课前擦黑板。

We'll clean the house for the Spring Festival. 我们将打扫房子过春节。

2　sweep 指用扫帚清扫地面、垃圾等。

The students on duty are sweeping the floor. 值班的学生在打扫地板。

They were asked to sweep the road after the snowfall. 他们被要求雪后扫路。

3　wipe 通常指用抹布、纸等擦东西。

Mother is wiping the table. 母亲在擦桌子。

She wiped the sweat from her face. 她擦掉了脸上的汗水。