soundtrack

中文： 原声带

1. A narrow strip running down a movie film that carries the recorded sound in synchronization with the pictures.
2. The sound (especially the music) component of a movie, video game, etc.
3. A recording or compilation of recordings of such music for sale.
4. A background sound that is part of a larger event.
5. Popular music associated with a particular historical era or time of one's life, especially nostalgically. · the soundtrack of our relationship

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