单宁酸 Save Sign in to save words Traditional (Taiwan): 單寧酸 dānníngsuān ㄉㄢ ㄋㄧㄥˊ ㄙㄨㄢ tannic acid (loanword) Character by character 单(dān)bill 宁(níng)surname Ning 酸(suān)sour A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0