b-road編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看b-roadb-road — 名詞名詞1. a secondary road in the UK, narrower than an A-road1.名詞釋義次要道路a secondary road in the UK, narrower than an A-road例句We took a B-road to avoid traffic on the motorway.