歐氏幾何 ōushìjǐhé Euclidean geometry Definitions Defs Origin Strokes Stroke Words Sentences Sents 欧氏几何学 ōushìjǐhéxué Euclidean geometry A branch of mathematics based on the definitions and axioms of the ancient Greek mathematician [[欧几里得|歐幾里得|ou1 ji3 li3 de2]].
