nonbiodegradable
adj. 非生物降解的;不能生物降解的
例句
Disposal of nonbiodegradable waste is a primary source of pollution.
对非生物降解物的处理是污染的主要来源。
On the other hand, organic halides are widely used in insecticide. They represent a class of toxic, carcinogenic and nonbiodegradable organic pollutants.
另外,有机卤化物广泛应用于杀虫剂中,是一类毒性强、易致癌、难生物降解的环境污染物。