butyrylcholineWiktionary 原文英美构词拆解butyrylbutyryl词干cholinecholine词干词源说明From butyryl + choline.释义名词noun1A synthetic acetylcholine-like molecule, with activation of some of the same receptors, which is hydrolysed by acetylcholinesterase and (more efficiently) by butyrylcholinesterase.