commentary channel

例句：

1. 1. The sports commentator was on the air to provide live commentary on the game.
   体育评论员正在直播中，为观众提供比赛的实时解说。
2. 2.The documentary will have a commentary channel for viewers to ask questions.
   这部纪录片将设有解说频道，让观众提问。
3. 3. The movie has a commentary channel that provides insights into the film's themes and characters.
   这部电影有一个解说频道，深入探讨电影的主题和角色。