搜尋結果
roadbed
- IPA[ˈrəʊdbɛd]
英式
- the material laid down to form a road.;the part of a road on which vehicles travel.
noun: roadbed, plural noun: roadbeds
- 釋義
名詞
- 1. the material laid down to form a road.
- ▪ the part of a road on which vehicles travel.
- ▪ another term for trackbed
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