求问traffic lights是什么意思

灯炮一刻不停地闪烁着,就像失去了控制的红绿灯。Pedestrian crossing with traffic lights that are operated by pedestrians
交通指挥灯由行人控制的人行横道。The bag was stolen from the boot of a professional snake catcher's car as he stopped at traffic lights。
失主是一名专业捕蛇手,当时他的汽车正停靠在马路边等候红灯,谁料到一个小偷竟从他的汽车尾箱内偷走了装着毒蛇的袋子。The two sets of traffic lights were out of phase
那两组交通灯不同步。Peer at the traffic lights注视着交通灯