hippotragine

例句：

1. 1.She is a professional equestrian who competes in dressage competitions.
   她是一名职业马术运动员，参加盛装舞步比赛。
2. 2. The equestrian team won the championship with their stunning performance.
   那支马术队凭借精彩的表现赢得了冠军。
3. 3.Equestrianism is a sport that involves riding horses and performing stunts on them.
   马术是一项涉及骑马和在马背上表演特技的运动。