Bolt became the first man since American Carl Lewis in 1984 to win both the 100 and 200 meter sprints. He became the only man to complete the sweep with world records in both.

博尔特成为美国队员卡尔·刘易斯1984年以来夺得100和200米短跑比赛两项冠军的首位运动员，而且是唯一在两项比赛中都打破世界记录的人。

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Bolt and Blake have none of the enmity that Lewis and Johnson had, but if Bolt can defend his Beijing title then it would surely stand above Lewis' achievements, simply because that second gold medal in Seoul was won in such unprecedented circumstances.

CNN: Olympic 100m final: Can Usain Bolt make history?

Lewis is sceptical that Bolt could match his achievement.

CNN: Olympic 100m final: Can Usain Bolt make history?

The time -- the second fastest in history -- was a new Olympic record and Bolt had achieved what only Carl Lewis had before: to have won gold medals twice in the event.

CNN: Olympic Bolt: Witness report of historic 100m