road bicycle（公路自行车）是什么意思？音标发音+图解场景

公路自行车 /ˈɹəʊd ˈbaɪsɪkəl/ n

English: road bicycle · 公路自行车

释义：Bicycle with narrow tires, lightweight frame and handlebars that position the cyclist for optimum aerodynamics, designed for road racing.

这个词出现在以下图解场景（1）