HANDEDICT汉德词典
HanDeDict 汉德词典
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乙烯酮•乙烯酮yǐ xī tóng
1 Ethenon, Keten, Carbomethen (S, Chem)
二乙烯酮•二乙烯酮èr yǐ xī tóng
1 Diketen, Acetylketen, 4-Methylen-2-oxetanon (C4H4O2) (S, Chem)
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