色氨酸 Save Sign in to save words sèānsuān ㄙㄜˋ ㄢ ㄙㄨㄢ tryptophan (Trp), an essential amino acid Character by character 色(sè)color 氨(ān)ammonia 酸(suān)sour Other words read sèānsuān seansuan with other tones 色胺酸 A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0