sound-track
n
(a) (music, etc on a) track or band at the side of a cinema film which has the recorded sound on it (电影胶片边上的)声带; 声带上的音乐等.
(b) recorded music from a film, musical play, etc (on a record, cassette, etc) (录在唱片、 盒式磁带等上的)电影、 音乐剧等中的音乐
I´ve bought the sound-track of that film. 我买到了那部电影的音乐录音唱片.