The little boy was proud that he could cover the whole length of the swimming pool without coming up for breath.

那个小男孩非常自豪，因为他已经可以游完游泳池的全长而不露出水面换气。

youdao

The little boy was proud that he could cover the whole length of the swimming pool without coming up for breath.

那个小男孩非常自豪，因为他已经可以游完游泳池的全长而不露出水面换气。

youdao