isocyanateWiktionary 原文英美释义名词noun1(chemistry) the univalent radical -N=C=O (tautomeric with cyanate), and any of its hydrocarbyl derivatives R-N=C=O同族词派生词 5diisocyante·methyl isocyanate·diisocyanate·methylisocyanate·polyisocyanate相关词 1isocyanic acid