thridace

例句：

1. 1. The third race is the most important one in the competition.
   第三场比赛是比赛中最重要的一场。
2. 2. The third person in the story is a mysterious figure.
   故事中的第三个人物是个神秘人物。
3. 3. The third day of the week is Sunday.
   一周的第三天是周日。