Oh, the floor is clean. I forgot sweeping the floor.
噢，地是干净的，我忘记已经打扫过地板了。
地板很干净。
There is a language lab in our school. It's on the third floor. It's big and clean.
我们学校有一个语音室，它位于三楼，大而整洁。
The janitor is so lazy. I have never seen a clean bathroom on this floor.
那个工友太懒惰了，我从来没看到这层楼的洗手间干净过。
The floor of the bathroom is too wet. Please clean (mop) it.
浴室地板太湿了，请清扫一下。
Water is used to clean the floor.
水被用来清洁地板。
Our duty today is to clean the floor.
今天我们的任务是打扫地板。
His idea is that we clean the floor first.
他的意见是我们先清扫地板。
His idea is that we clean the floor first.
他的意见是我们先清扫地板。
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