unsubstituted

unsubstituted

美 　英

• 网络未被取代的；取代

例句

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

这些胺取代酸可以与未取代的氧络阴离子相类似方式聚合。

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

南沙地处珠江三角洲的中心，在珠三角经济发展中具有不可替代的区位优势。

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

R是选自氢，取代或未取代的烷基，取代或未取代的芳基；