a reporter for radio or television who provides a spoken description of and remarks on an event , especially a sports competition , as it happens
发音
例句
1. He is a good commentator because he can get across the game. 他能简单地解说这场比赛,是个好的解说者。 2. The commentator made a big mistake during the live broadcast. 在直播节目中评论员犯了个大错误。