diving和moving的区别

ping是潜水的意思，而moving则是移动的意思，区别很大，可以从以下例子看出：

This side of pool is shallow，not good for ping, you need moving to another side of pool to enjoy your ping. 池的这一边很浅，不适合潜水，你需要移动到池的另一边来享受你的潜水。