她成为了一名奥运冠军。

She became an Olympic ___champion.

她连续第三年蝉联世界冠军。

She is the world ___champion for the third year in succession.

卫冕冠军明天将进行他在锦标赛中的第一场比赛。

The defending ___champion will play his first match of the tournament tomorrow.