血清張力素 Save Sign in to save words Simplified: 血清张力素 xuèqīngzhānglìsù ㄒㄩㄝˋ ㄑㄧㄥ ㄓㄤ ㄌㄧˋ ㄙㄨˋ serotonin Character by character 血(xuè)blood 清(qīng)Qing (Wade-Giles: Ch'ing) dynasty of China 張(zhāng)surname Zhang 力(lì)surname Li 素(sù)raw silk A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0