瞧，三五成群的孩子在操场上玩耍。

Look! Groups of children are playing on the ground.

youdao

我们经常能听见一些孩子在操场上玩耍。

We can often hear some children play on the playground.

youdao

下课时，当小伙伴们在操场上快乐的玩耍时，我在教室里静静地看书。

At the end of the class, when the other children in the playground happily, I quietly read a book in the classroom.

youdao

下课时，当小伙伴们在操场上快乐的玩耍时，我在教室里静静地看书。

At the end of the class, when the other children in the playground happily, I quietly read a book in the classroom.

youdao