non-biodegrad·able
adjective/ˌnɒn ˌbaɪəʊdɪˈɡreɪdəbl/
/ˌnɑːn ˌbaɪəʊdɪˈɡreɪdəbl/
- a substance or chemical that is non-biodegradable cannot be changed by the action of bacteria to a natural state that does not harm the environment
（物质或化学品）不可生物降解的，非生物降解的