二階 Save Create a free account to save words Simplified: 二阶 èrjiē ㄦˋ ㄐㄧㄝ 男 女 second order quadratic (math.) Character by character 二(èr)two 階(jiē)rank or step Sign up for a free account to save words and review them A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0