Virtually the total swimmer is underwater because of the position of natural floatation, and thus, the wetted surface is nearly maximized.
Virtually the total swimmer is underwater because of the position of natural floatation, and thus, the wetted surface is nearly maximized.
实际上所有的游泳运动员都会有一段时间完全在水面以下，这是身体浮动时的自然现象，所以，触水表面积接近最大值。