剑桥词典(the amount of) broadcasting time that someone or something, such as a piece of recorded music , has on the radio （唱片等在无线电台的）播送时间（长度） Unless a song gets lots of airplay, it won't sell in the shops . 除非一首歌在电台热播，否则它在音像店就不可能畅销。 比较airtime 返回 airplay