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allene例句_allene英汉例句_allene双解例句_開心英語字典_柠咚词
開心英語字典

allene

A 开头单词

常见例句

    用作名詞 (n.)

  • Allene is an isomer of methyl acetylene.
    丙二烯是甲基乙炔的一種異搆躰。
    • 返回 allene