trotter

例句：

1. 1. The jockey was riding a horse that had just won the race.
   骑师骑着刚刚赢得比赛的马。
2. 2.The stable boy helped the jockey put on his new saddle.
   马厩里的男孩帮助骑师穿上了新的鞍座。
3. 3. The jockey rode with confidence, knowing he had a strong saddle.
   骑师骑得自信满满，因为他有一个结实的鞍座。