球面几何 qiúmiànjǐhé spherical geometry Definitions Defs Origin Strokes Stroke Words Sentences Sents 球面 qiúmiàn sphere (mathematics) a curved surface formed by the rotation of a semicircle around its diameter几何 幾何 jǐhé geometry geometry; often used as a short form for 几何学 jǐhéxué
