Swimming is perhaps the most graceful and the exiting event of the Olympic Games. Swimming requires a lot of energy.So don’t be surprised when learn how much resistance competitors must overcome. Thanks to modern science and technology it can be reduced to some extent by simply wearing a right suit. Freestyle once meant literally any stroke a competitor would like to use. The revolution of this competition is just one of the many fascinating developments in the history of Olympic swimming.

游泳可能是奥林匹克运动会中最优雅的比赛项目eyLfWVSM9I&)H^J。这项赛事需要大量能量_G@(wqCWEUPl6HZ。所以当你了解运动员必须要克服多少阻力时千万别感到惊讶=rzS39lbR82f。由于现代科学与技术的发展,穿着得当可以从一定程度上降低阻力KQ^7zTDZbfk&^G_slcoN。自由泳曾经是很多参赛选手都想使用的姿势;QVi@sq%Iiue5BOX。这项比赛的革命只是奥林匹克游泳比赛发展中许多迷人发展的其中之一u)aOV|aNow~N.sKQ4#yw。

词语解释：

1. graceful a. 优雅的
2. freestyle a. 自由式的