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hard drugBrE/ˌhɑːd ˈdrʌɡ/🔊NAmE/ˌhɑːrd ˈdrʌɡ/🔊noun [usually plural] apowerfulillegaldrug, suchasheroin, that some people take for pleasure and can become addictedto硬性毒品(容易成瘾)➡ comparesoft drug