)trailer
追踪者, 拖车1. someone who takes more time than necessary; someone who lags behind
同义词：dawdler, drone, laggard, lagger, poke
2. an advertisement consisting of short scenes from a motion picture that will appear in the near future
同义词：preview, prevue
3. a large transport conveyance designed to be pulled by a truck or tractor
4. a wheeled vehicle that can be pulled by a car or truck and is equipped for occupancy
同义词：house trailer
