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non-biodegradable

adjective
🔊/ˌnɒn ˌbaɪəʊdɪˈɡreɪdəbl/
🔊/ˌnɑːn ˌbaɪəʊdɪˈɡreɪdəbl/
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  1. 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opposite biodegradableTopics The environmentc2