unsubstituted

unsubstituted

美 　英

• 網絡未被取代的；取代

例句

These amine substituted acid may polymenze in an analogous manner to unsubstituted oxo-anions.

這些胺取代酸可以與未取代的氧絡陰離子相類似方式聚合。

Nansha, situated at the center of Pearl River Delta, has unsubstituted advantage in the economic development of such district.

南沙地處珠江三角洲的中心，在珠三角經濟發展中具有不可替代的區位優勢。

R is selected from the group consisting of hydrogen, substituted or unsubstituted alkyl, and substituted or unsubstituted aryl;

R是選自氫，取代或未取代的烷基，取代或未取代的芳基；