The live commentaries during the basketball game were so exciting that fans felt like they were there.

commentaries 是 commentary 的复数形式，commentary 由词根 comment（评论）和后缀 -ary（表示"与...相关的"）组成，指"对事件的详细解说或评论"。 live commentaries 指"实时解说"，即对正在进行的比赛或事件进行同步讲解和分析。