lower third是什么意思

lower third 英[ˈləuə θɜ:d] 美[ˈlaʊɚ θə:d] [医]下三分之一（长骨） [例句]The city of moscow is located near the left edge , in the lower third.莫斯科市在图片左边边缘附近，下方第三个红色区域即是。