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 (電影膠片邊上的)聲帶; 聲帶上的音樂等.
(b) recorded music from a film, musical play, etc (on a record, cassette, etc) (錄在唱片、 盒式磁帶等上的)電影、 音樂劇等中的音樂
I've bought the sound-track of that film. 我買到了那部電影的音樂錄音唱片.