traffic-light (also `stoplight)

n (usu pl 通常作复数) automatic signal that controls road traffic, esp at junctions,by means of red, yellow and green lights 交通信号灯.

trader, Trades Union Congress (abbr 缩写 TUC), tradesman, trading, trading estate, trading post, trading stamp, tradition, traditional, traditionalism, traditionalist, traditionally, traduce, traducer, traffic, traffic circle, traffic indicator, traffic island, traffic jam, traffic warden, trafficator, trafficker, tragedian, tragedienne, tragedy, tragic, tragically, tragicomedy, tragicomic, trail, trail off, trail-blazer, trail-blazing, trailer, train, train compartment, train set, train-bearer, train-spotter, trainee,