methanal /'meθәnæl/ 📖 中文释义 n. 〈化〉甲醛 🔗 释义中的汉语词甲醛 📘 English Definition(英文释义) n a colorless poisonous gas; made by the oxidation of methanol ← methamphetamine hydrochloride M 字母词表 methanamide →