他在获取前六枚金牌时的成绩都打破了世界记录，但是最新的这枚金牌只打破奥运会记录，而且优势微乎其微。

His latest time was only an Olympic record. But his margin of victory was a small as it gets.

youdao

他在获取前六枚金牌时的成绩都打破了世界记录，但是最新的这枚金牌只打破奥运会记录，而且优势微乎其微。

His latest time was only an Olympic record. But his margin of victory was a small as it gets.

youdao