单词	大族的
释义	同High-caste
随便看	concave-concave concave-concave--biconcave concave-concave，biconcave concave-convex concave convex lens concave-convex lens concave cross-bedding concave curve concave cutter concaved concave diffraction grating concave disk concave downward concave edge concave extension grate area concave fillet weld concave function concave glasses, concave globoid cam concave gradient concave grate concave grate arc length concave grate area concave grate extension concave grate width