a.ce.tyl.cho.line
acetylcholine的音标和读音：
DJ音标发音： [əˌsi:tlˈkouˌli:n]
KK音标发音： [əˌsitlˈkoˌlin]
acetylcholine的词性：
n.（名词）
1. A white crystalline derivative of choline, C7H 17NO 3, that is released at the ends of nerve fibers in the somatic and parasympathetic nervous systems and is involved in the transmission of nerve impulses in the body.
乙酰胆碱：一白色晶体状胆碱的衍生物，C7H 17NO 3，由位于细胞体和副交感神经系统的神经纤维末端释放出来，并涉及身体神经冲动的传递