gold medallist

例句：

1. 1. He was the gold medalist in swimming at the Olympics.
   他在奥运会游泳比赛中获得了金牌。
2. 2. She is a gold medalist in the field of science.
   她在科学领域是一位金牌得主。
3. 3. The gold medalist won the championship with an impressive performance.
   这位金牌得主以令人印象深刻的表现赢得了冠军。