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单词
electron-withdrawing group
释义
electron-withdrawing group
美
英
un.
吸电子基
网络
吸电子基团；是吸电子基团；拉电子基
英汉
网络释义
un.
1.
吸电子基
1.
吸电子基团
农药词... ... Electron-donating group 给电子基团
Electron-Withdrawing group
吸电子基团
Deactivating group 钝化基团 ...
read.cucdc.com
2.
是吸电子基团
EWG是什么意... ... EDG, 给电子基团
Electron-withdrawing group
是吸电子基团
Electron-donating group ---- - EDG 供电子基团 ...
emuch.net
3.
拉电子基
... H Br H Arenium ion B.
拉电子基
（
electron-withdrawing group
） 时， 如－NO 2 、 －CHO、 －SO 3 H， 会降低反应。
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例句
释义:
吸电子基,吸电子基团,是吸电子基团,拉电子基
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更新时间：2025/6/2 9:16:53