rallymaster

例句：

1. 1.As the rallymaster, he made sure everyone was in their places before the event started.
   作为集会主持人，他确保在活动开始前每个人都就位。
2. 2. The rallymaster had to coordinate with all the other leaders to ensure a smooth transition.
   集会主持人必须与所有其他领导人协调，以确保顺利过渡。
3. 3.The rallymaster led the team through the challenges and helped them overcome obstacles.
   集会主持人带领团队克服了挑战并帮助他们克服了障碍。