当我下楼，发现楼下没开灯，只有几个紧急出口标志牌之类的亮着，我想我是听见急诊科病房的尽头有什么动静了。
When I got down there, there weren’t any lights on other than a few lit exit signs and whatnot.
那些紧急事件出口标志是否装备有应急灯？
Are there emergency exits signs that are equipped with emergency lights?
本架飞机除了正常出口外，在客舱的左右侧还有紧急出口，分别写有紧急出口的明显标志。
There are emergency exits on each side of the aircraft in addition to the main entrance doors. All the exits are clearly marked.
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