trafficlight意为：红绿灯。
造句：
（1）There is something wrong with the traffic light because only the red light flashes on and off.
交通灯出故障了，只有红灯一直在闪。
（2）The design of LED traffic light signal was described.
总结了LX-A系列-LED道路交通灯的研制过程。
（3）The red traffic light indicates that every person and vehicle must stop.
红色信号灯表示人和车辆不能通行。
（4）So next time you are impatiently waiting at a traffic light, don't get so mad at them, they've certainly come a long way.
所以当你下次不耐烦地等红绿灯的时候，别对他们那么生气，他们肯定已经走了很长一段路了。
（5）Each traffic light red, yellow, green light, all the bright backdrop in a sunset2, is truly beautiful.
每只红绿灯的红、黄、绿灯都全部亮起，在晚霞衬托下，煞是好看。
（6）Or as Johnny Carson once said, it's the interval1 between a Manhattan traffic light turning green and the guy behind you honking2 his horn.
或者就像约翰尼·卡森说过的，它是从曼哈顿交通信号灯变绿到后面那辆车的司机按喇叭催你快走的那一小段极为短暂的时间。
（7）Traffic was unusually light for that time of day.
对于一天中的那个时间段而言，来往车辆少得有些不寻常。