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在日常生活中,我们经常会遇到需要从一个视频文件中提取音频的情况,例如从一部美国大片中提取出对白,然后放入MP3来练习听力等等。
In everyday life, we often encounter the need to extract audio from a video file, such as extracting dialogue from an American blockbuster, putting MP3s to practice listening, and so on.