sem·i·trail·er 
(sĕmē-trā′lər, sĕmī-)
(sĕmē-trā′lər, sĕmī-)n.
A trailer having a set or several sets of wheels at the rear only, with the forward portion being supported by the truck tractor or towing vehicle.
| 单词 | semitrailer |
| 释义 | sem·i·trail·er (sĕmē-trā′lər, sĕmī-)n. A trailer having a set or several sets of wheels at the rear only, with the forward portion being supported by the truck tractor or towing vehicle. |
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