Nantoka/内酯nèi zhǐTraditional: 內酯内酯 (nèi zhǐ) is a Chinese word meaning “lactone”.Meanings1lactoneCharacters in 内酯内nèi · inside酯zhǐ · esterRelated words内inside内心heart; innermost being内容content; substance; details之内inside; within内部interior内裤underpants体内within the body内衣undergarment内疚guilty conscience国内domestic内在inner在内(included) in itStudy Chinese with flashcards →