脑内啡 Save Sign in to save words Traditional (Taiwan): 腦內啡 nǎonèifēi ㄋㄠˇ ㄋㄟˋ ㄈㄟ endorphin Character by character 脑(nǎo)brain 内(nèi)inside 啡(fēi)(used in loanwords for its phonetic value) A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0