stop·light /ˈstɑpˌlaɪt/
  停止行進號誌,紅色尾燈
  stoplight
       n 1: a red light on the rear of a motor vehicle that signals when
            the brakes are applied to slow or stop [syn: brake
            light]
       2: a visual signal to control the flow of traffic at
          intersections [syn: traffic light, traffic signal]