retroazimuthalWiktionary 原文英美构词拆解retroretro-前缀azimuthalazimuthal词干retro-Back or backward. · Behind.词源说明From retro- + azimuthal.释义形容词adjective1(cartography) In which the direction to a fixed location B (the bearing at the starting location A of the shortest route) corresponds to the direction on the map from A to B.