The children are running about on the beach having

问题补充：

The children are running about on the beach having fun with each other翻译成汉语

答案：

The children are running about on the beach having fun with each other.

翻译：孩子们在沙滩上跑来跑去,相互间逗乐.

======以下答案可供参考======

供参考答案1:

那些小孩在沙滩上奔跑和其他小孩玩乐。