noun 下载 🔗分享 镇静剂, 奎宁类药物 A dose of this drug, sometimes taken recreationally. Examples : "During his college days, he heard rumors of students taking Quaaludes at parties. " 在大学期间,他听说过有学生在聚会上服用镇静剂之类的药物。 medicine substance 与AI对话词汇游戏阅读练习