释义 |
tractor-trailer
trac·tor-trail·er (trăk′tər-trā′lər)n. A truck consisting of a tractor attached to a semitrailer or trailer, used for transporting loads.tractor-trailer n (Automotive Engineering) US a truck for pulling heavy loads, consisting of a tractor attached to a trailer trac′tor-trail′er n. a trucking unit consisting of a tractor hooked up to a full trailer or a semitrailer. [1945–50] |