| 释义 |
bu·ta·none AHD[byo͞o′tə-nōn'] D.J.[ˈbjuːtəˌnəʊn]K.K.[ˈbjutəˌnon]n.（名词）- A colorless, flammable ketone, CH3COCH 2CH 3, used in lacquers, paint removers, cements and adhesives, cleaning fluids, and celluloid. Also called methyl ethyl ketone 丁酮：一种无色、可燃性酮，CH3COCH 2CH 3，用于油漆、去漆剂、结合剂和粘合剂、清洁液及赛璐珞 也作 methyl ethyl ketone
- butan(e) butan(e)
- -one -one
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