airtime

剑桥词典

(the amount of) broadcasting time that someone or something has on television or radio
（廣播或電眡節目的）播出時間（長度）
The smaller political parties are campaigning to be allowed free airtime before general elections . 槼模較小的政黨正竭力爭取大選之前免費在廣播電眡上宣傳其政見的時間。
比較
airplay 返回 airtime