利福恩又按下播放按钮，播放了磁带，接着按了停止键，然后又按下倒带键。
Leaphorn pushed the play button again, ran the tape, pushed stop, pushed rewind.
当一切就绪，点底下的按钮，绿色的键，激活程序。
We click this button down here, and when it's ready, the green play button will become active.
设备的按钮是混合键。
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