soundtracks
n. 电影原声；音轨（soundtrack 的复数）
例句
That usually means soundtracks for movies, TV shows and ads.
通常是指电影配乐、电视节目以及广告。
Some coordinate the time axis to ensure Chinese subtitles synchronize with the soundtracks.
一些成员调整时间轴，确保中文字幕与音轨同步。
Another option is to listen to guided sleep soundtracks - a meditation to help you relax and fall asleep.
另一种选择是听电影配乐——一种默念助你放松入睡。
