Having a body that is shaped like a javelin may be considered by some to be the "perfect body" for swimming, since it offers almost no resistance to movement through the water.
拥有一个标枪似的体型可能被一些人认为是最完美的游泳身材，因为它在水中前进时几乎没有阻力。
2
"The qualities that contribute to swimming skill are termed" biomechanical "because they involve factors responsible for resistance of the body's movement through water e." g.