求翻译：　　罗切特的仰泳水平进步很快。2005年世界游泳锦标赛上，罗切特获得了200米仰泳铜牌。两年之后，罗切特在墨尔本世界游泳锦标赛获得200米仰泳金牌。由于菲尔普斯主攻自由泳和蝶泳，在200米仰泳赛场上，罗切特成为了真正王者，水立方见证了罗切特的风采。是什么意思？

Rochette's backstroke level of progress quickly. 2005 World Swimming Championships, Rochette won the 200 meter backstroke bronze. Two years later, Rochette World Swimming Championships in Melbourne, won the 200 meter backstroke gold medal. As the main Phelps freestyle and butterfly, the 200m backstr

rochet backstroke level of progress has been very fast. 2005 World Swimming Championships, rochet won the 200 meters backstroke bronze medals. After two years, rochet in Melbourne World Swimming Championship 200 meters backstroke gold medal. Because Phelps thrust, 50.39 and 54.61 in the 200 -meter b

　　Luo Chet's backstroke level progress is very quick.In 2005 at the world swimming championship tournament, Luo Chet has obtained 200 meter backstroke bronze medals.After two years, Luo Chet obtains 200 meter backstroke gold medals at the Melbourne world swimming championship tournament.As a result

　　Joannie Rochette backstroke level rapid progress. The 2005 World Swimming Championships, Joannie Rochette won the 200 m backstroke bronze. Two years later, Melbourne World Swimming Championships, Joannie Rochette won the 200 m backstroke medal. As Phelps main freestyle and butterfly, 200 m backstr

　　Joannie Rochette backstroke level rapid progress. The 2005 World Swimming Championships, Joannie Rochette won the 200 m backstroke bronze. Two years later, Melbourne World Swimming Championships, Joannie Rochette won the 200 m backstroke medal. As Phelps main freestyle and butterfly, 200 m backstr