A drug, C14H19NO2, chemically related to amphetamine, that acts as a mild stimulant of the central nervous system and is used especially in the form of its hydrochloride for the treatment of narcolepsy in adults and hyperkinetic disorders in children.是什么意思_A drug, C14H19NO2, chemically related to amphetamine, that acts as a mild stimulant of the central nervous system and is used especially in the form of its hydrochloride for the treatment of narcolepsy in adults and hyperkinetic disorders in children.在线翻译_英语_读音_用法_例句