racing shorts

例句：

1. 1.He wore a pair of racing shorts for the race.
   他穿着一套赛车短裤参加比赛。
2. 2. She was wearing a pair of racing shorts when she heard the news.
   她听到新闻时穿着一套赛车短裤。
3. 3.The athletes were all in their racing shorts and ready to compete.
   运动员们都穿着赛车短裤，准备比赛。