他帮我很多的忙，有一次，我上体育课时，一不小心，摔跤了。

He helped me a lot of busy, I have once physical education class, careless, wrestling has.

youdao

他帮我很多的忙，有一次，我上体育课时，一不小心，摔跤了。

He helped me a lot of busy, I have once physical education class, careless, wrestling has.

youdao