ketone /'ki:tәun/ 📖 中文释义 n. 酮[化] 酮 🧩 词形变化 复数 ketones 📘 English Definition(英文释义) n. any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals ← ketomyoinositol K 字母词表 ketone alcohol →