[] () a truck, or a container with wheels, that is pulled by another vehicle拖车；挂车◆The containers are lifted onto truck trailers for the last part of the journey.集装箱被吊装到拖车上走最后一段路程。 () a series of short scenes from a film/movie or television programme, shown in advance to advertise it（电影或电视节目的）预告片