/ˈkɒməntərɪ/
a spoken description of an event that is given while it is happening, especially on the radio or television （尤指电台或电视台所作的）实况报道，现场解说
a sports commentary
体育实况报道
Our reporters will give a running commentary (= a continuous one) on the election results as they are announced.
我们的记者将对选举的公布结果作实况追踪报道。
He kept up a running commentary on everyone who came in or went out.
他不断地对上下场的每一名队员进行解说。