noun 下载 🔗分享 乙酰胆碱 A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline with chemical formula CH3COOCH2CH2N+(CH3)3. Examples : "Example Sentence: "Acetylcholine is released by nerve cells to help muscles contract, allowing you to lift a book." " 乙酰胆碱由神经细胞释放,帮助肌肉收缩,从而让你能够拿起一本书。 biochemistry physiology medicine compound chemistry biology substance function body science organism technical anatomy 与AI对话词汇游戏阅读练习