乙酰膽鹼 Save Sign in to save words Simplified: 乙酰胆碱 yǐxiāndǎnjiǎn ㄧˇ ㄒㄧㄢ ㄉㄢˇ ㄐㄧㄢˇ acetylcholine ACh (amine related to vitamin B complex) Character by character 乙(yǐ)second of the ten Heavenly Stems 十天干 shítiāngān 酰(xiān)acid radical 膽(dǎn)gall bladder 鹼(jiǎn)base A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0