Outside the boys were sitting on the ground and, judging by the gales of laughter, they were having a ball.

男孩子们在外面席地而坐，从他们发出的阵阵笑声来看，他们玩得很开心。

《柯林斯英汉双解大词典》

Outside the boys were sitting on the ground and, judging by the gales of laughter, they were having a ball.

男孩子们在外面席地而坐，从他们发出的阵阵笑声来看，他们玩得很开心。

《柯林斯英汉双解大词典》