trafficator

n (also `traffic indicator) flashing light or other device on a vehicle, used to show the direction in which it is about to turn （车辆上的）方向灯, 方向指示器.

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, traffic-light (also `stoplight), 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, trainer,