1 [U] (also pop music) modern music that is most popular among young people 流行音乐: a pop group 流行乐队 ☞Look at jazz, rock and classical. 参看jazz、rock及classical。

2 [C] a short sudden sound like a small explosion 短促的爆裂声；砰（的一声）；啪（的一声）: There was a loud pop as the champagne cork came out of the bottle. 香槟酒瓶塞打开时，响亮地发出啪的一声。