音标发音英式音标 [ˈsmɑːt ˌdrʌɡ]美式音标 [ˈsmɑːrt ˌdrʌɡ]英式发音 美式发音 基本解释益智葯。同根派生 英英字典劍橋英英字典 a drug that is designed to make you more intelligent or help you think more clearly