For nitrogen compounds derived form ammonia (NH3) the root amine is used , as, for example , in hydroxylamine (NH2OH).是什么意思_For nitrogen compounds derived form ammonia (NH3) the root amine is used , as, for example , in hydroxylamine (NH2OH).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句