有一天，我在体育课上和一个同学打乒乓球。

One day, I was playing ping-pong with a classmate in my P.E. class.

youdao

有一天，我在体育课上和一个同学打乒乓球。

One day, I was playing ping-pong with a classmate in my P.E. class.

youdao