胆碱酯酶 dǎnjiǎnzhǐméi cholinesterase Origin Definitions Defs Strokes Stroke Words Sentences Sents 胆碱 膽鹼 dǎnjiǎn choline choline; an amine compound essential for liver function and brain development, often grouped with the vitamin B complex酯酶 zhǐméi esterase esterase; an enzyme that breaks down esters into an acid and an alcohol through hydrolysis