cat's eyes

剑桥词典

small pieces of glass or plastic that are put along the middle and sometimes the sides of a road , to reflect the lights of a car , in order to show the driver where to drive when it is dark
（设置于公路中央或路侧在黑暗中引导车辆的）猫眼反光标记，猫眼反光镜 返回 cat's eyes