It takes two men half the morning to mop down the hospital floors.

需要两个男人用半个上午才能把医院的地板拖擦干净。

youdao

I let her help mop, but she fell down too many times.

我让她帮忙拖地，但她摔倒很多次。

youdao

I let her help mop, but she fell down too many times.

我让她帮忙拖地，但她摔倒很多次。

youdao