1. The sportscaster is known for his ability to commentate on live matches.
这位体育播音员以在直播比赛上提供解说而闻名。

2. She was invited to commentate on the political debate on television.
她受邀在电视上对这场政治辩论进行注解。

3. The newspaper commentator commentated on the latest developments in the stock market.
报纸评论员对股市的最新发展进行了评论。