airtime

劍橋詞典

(the amount of) broadcasting time that someone or something has on television or radio
（廣播或電視節(jié)目的）播出時(shí)間（長(zhǎng)度）
The smaller political parties are campaigning to be allowed free airtime before general elections . 規(guī)模較小的政黨正竭力爭(zhēng)取大選之前免費(fèi)在廣播電視上宣傳其政見的時(shí)間。
比較
airplay 返回 airtime