| 单词 | 若干套 |
| 释义 | 〔semitrailer〕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.半挂车：在后部有一套或若干套轮子，前部由牵引车或牵引机动车支撑的挂车 |
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