相关单词同義詞downer, 近義詞 narcotic 麻醉葯, sedative 使安靜的, downer 鎮定劑, antianxiety agent 抗焦慮葯, tranquillizer 鎮定劑, ataractic 鎮靜劑, tranquilliser 安定葯臨近詞tranquil, tranquill 返回 tranquilizer