() 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後一段路程。
() 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