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烯
xī

alkene

Origin Definitions Defs Strokes Stroke Words Sentences Sents
  • created sense approved 烯 · xī · alkene 2026/03/04

    烯

    xī

    alkene

    alkene

    乙烯是一种重要的化工原料。

    created sense Mar 4, 2026, 02:25 AM

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