血清素 Save Sign in to save words xuèqīngsù ㄒㄩㄝˋ ㄑㄧㄥ ㄙㄨˋ serotonin Character by character 血(xuè)blood 清(qīng)Qing (Wade-Giles: Ch'ing) dynasty of China 素(sù)raw silk A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0