| 单词 | semitrailer |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔fifth wheel〕A similar device over the rear axle or axles of a tractor or pickup truck, serving as a coupling for a semitrailer.半拖车连接轮：置于拖拉机或拖车的后轴上的类似的设备，用以作半拖车连接轮美国传统〔semi〕A semitrailer.半拖货运车美国传统〔tractor-trailer〕A truck consisting of a tractor attached to a semitrailer or trailer, used for transporting loads.牵引或挂车：一种卡车，由牵引车连接在半拖车或拖车上构成，用于运输货物美国传统 |
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