The most decorated Olympian of all-time Michael Phelps has retired after another gold-winning swim in London. The American swimmer won 22 medals, including 18 gold, after starting his Olympic life at the 2000 Sydney Games. He says the moment in London is among those that meant the most to him.

史上获得奥运奖牌最多得运动员—菲尔普斯在伦敦奥运上再摘金牌后正式宣布退役。这位美国游泳健自参加2000年的悉尼奥运会并开始奥运生涯以来共获得22枚奥运奖牌，其中金牌18枚。他说伦敦奥运是他奥运生涯中最重要的其中之一届。