自然對數 Save Sign in to save words Simplified: 自然对数 zìránduìshù ㄗˋ ㄖㄢˊ ㄉㄨㄟˋ ㄕㄨˋ natural logarithm math. Character by character 自(zì)self 然(rán)correct 對(duì)right 數(shù)number A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0