contourWiktionary 原文中文来自 ECDICTn.轮廓vt.画轮廓adj.显示轮廓的构词拆分con-前缀Unite: to unite into a collection indicated by the root word. · Together: the root is done together.+tour词根/词干演变路径（由近及远）英语借自 ←法语 contour词源说明Borrowed from French contour, from contourner, equivalent to con- + tour.释义（英文）名词 NounAn outline, boundary or border, usually of curved shape.A line on a map or chart delineating those points which have the same altitude or other plotted quantity