jumpmaster

例句：

1. 1. The jumpmaster was the one who taught the athletes how to perform their routines.
   跳高教练是指导运动员如何完成他们动作的人。
2. 2. The gymnastics coach was responsible for training the children in the art of balance and poise.
   体操教练负责训练孩子们平衡和优雅的艺术。
3. 3. The athletic coach is in charge of motivating the team to improve their performance.
   运动教练负责激励团队提高表现。