news commentator新闻评论员
staff commentator本报评论员
Media commentator时事评论员
Tennis Commentator网球评论员
sports commentator体育评论员
pedal commentator脚踏转换开关
Color commentator评论员;解说嘉宾
television commentator电视评论员;林尚义
N-COUNT（可数名词） A commentator is a broadcaster who gives a radio or television commentary on an event. (电台或电视的) 解说员
...a sports commentator.
…一名体育解说员。
N-COUNT（可数名词） A commentator is also someone who often writes or broadcasts about a particular subject. 评论员
...a political commentator.
…一名政治评论员。