基本解释[無化] 發菸硫酸词组短语短語fuming g sulphuric acid 發菸硫酸sulphuric acid fuming 發菸硫酸;焦硫酸;發菸fuming sulphuric acid更多词组英英字典柯林斯英英字典 a mixture of pyrosulphuric acid, H2S2O7, and other condensed acids, made by dissolving sulphur trioxide in concentrated sulphuric acid (Also called oleum, Nordhausen acid)fuming sulphuric acid剑桥字典fuming sulphuric acid柯林斯字典专业释义化學發菸硫酸領菸硫酸