The emergency alarms went off, and a doctor rushed into the room.

紧急警报响了，一名医生冲了进来。

But before the astronauts began their final descent, an emergency alarm lit up.

但是在宇航员开始着手最后的降落之前，有一个紧急信号灯亮起了。

It records the sound of engine, emergency alarm, cabin and cockpit in order to predict the conditions of the plane before any accident occurred.

它记录发动机、紧急警报、机舱和驾驶舱的声音，以便在任何事故发生前预测飞机的状况。

46.when you hear the abandon ship alarm which consists of one long and one blast repeated continuously . please act in the same manner as under the general emergency alarm.

当听到弃船警报时，该警报由不断重复一长声和一短声组成，请按常规紧急警报同样方式去做。