diving

1. N-UNCOUNT Diving is the activity of working or looking around underwater, using special breathing equipment. 潜水

...equipment and accessories for diving. …用于潜水的设备和附件。

2. N-UNCOUNT Diving is the sport or activity in which you jump into water head first with your arms held straight above your head, usually from a diving board. 跳水

Weight is crucial in diving because the aim is to cause the smallest splash possible. 体重对于跳水运动至关重要，因为跳水的目标是尽可能不激起水花。