曲线论 Save Sign in to save words Traditional (Taiwan): 曲線論 qūxiànlùn ㄑㄩ ㄒㄧㄢˋ ㄌㄨㄣˋ the theory of curves Character by character 曲(qū)surname Qu 线(xiàn)thread 论(lùn)opinion A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0