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benzidine英英字典_benzidine剑桥英语解释_benzidine柯林斯英文解释_欧米惠必应词典
欧米惠必应词典

benzidine

B 开头单词

柯林斯词典

    benzidine /ˈbɛnzɪˌdiːn, -dɪn/

  • 1. N a grey or reddish poisonous crystalline powder that is used mainly in the manufacture of dyes, esp Congo red. Formula: NH2(C6H4)2NH2 联苯胺

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