cheerleader

详细解释:n. 啦啦队长

英语解释：

名词 cheerleader:

an enthusiastic and vocal supportersomeone who leads the cheers by spectators at a sporting event

例句：

A short, rehearsed jingle or phrase, shouted in unison by a squad of cheerleaders.欢呼一小队啦啦队员齐声喊的短促、反复的音韵或短语