A good dive will have minimal bubbles dragged underwater. The greater the amount of bubbles, the greater is the drag/resistance on the swimmer.
A good dive will have minimal bubbles dragged underwater. The greater the amount of bubbles, the greater is the drag/resistance on the swimmer.
动作优美的出发跳水带入水中的气泡会很少。带入水中的气泡越多，则说明这名游泳运动员在水中的阻碍力或者说是阻力就越大。