noun 다운로드 🔗공유 아세틸콜린 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." " 아세틸콜린은 근육이 수축하도록 돕기 위해 신경 세포에서 방출되어 책을 들 수 있습니다. biochemistry physiology medicine compound chemistry biology substance function body science organism technical anatomy AI와 채팅어휘 게임독해 연습