tractor-trailer
US /ˈtræk.tərˌtreɪ.lər/
UK /ˈtræk.tərˌtreɪ.lər/

1.
半掛車, 牽引車
a truck that consists of a tractor and a trailer, used for hauling freight
:
•
The tractor-trailer was loaded with goods for delivery.
半掛車裝滿了待運貨物。
•
A large tractor-trailer blocked the highway.
一輛大型半掛車堵塞了高速公路。