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electron-donating group造句

"electron-donating group"是什么意思   

例句與造句

  1. The effect of ” the electron - donating groups “ on the electronic spectrum was investigated
    探討了給電子基團(tuán)對(duì)電子吸收光譜的影響。
  2. It's difficult to find electron-donating group in a sentence. 用electron-donating group造句挺難的

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