noun 다운로드 🔗공유 니코틴 An alkaloid (C10H14N2), commonly occurring in the tobacco plant. In small doses it is a habit-forming stimulant; in larger doses it is toxic and is often used in insecticides. Examples : "My grandfather used to smoke cigarettes, and nicotine was a major reason he struggled to quit. " 할아버지는 담배를 피우셨는데, 니코틴은 그가 끊기 위해 애썼던 주요 이유였다. compound substance chemistry medicine plant insect biology AI와 채팅어휘 게임독해 연습
noun 다운로드 🔗공유 담배, 담배 Tobacco, cigarettes Examples : "He is addicted to nicotine." 그는 담배에 중독되었다. substance medicine compound chemistry AI와 채팅어휘 게임독해 연습