Then the turbine engines rose to a howl, braking the plane, and as they dropped in volume the pilot's soft southern voice, perhaps not completely steady, came over the intercom system.

接着涡轮引到怒吼，煞住飞机，等引的音量降低后，机师温柔、或许十分沉稳的南方口音，出现在内部通话系统。

Next thing you know, we get code silver called over the intercom. That mean lock yourself where you are.

后我们就用内部通话系统进行联系。也就是要把自已关起来。