biodegrade

verb

/ˌbaɪəʊdɪˈɡreɪd/

[intransitive]

Verb Forms

present simple I / you / we / they biodegrade	/ˌbaɪəʊdɪˈɡreɪd/ /ˌbaɪəʊdɪˈɡreɪd/
he / she / it biodegrades	/ˌbaɪəʊdɪˈɡreɪdz/ /ˌbaɪəʊdɪˈɡreɪdz/
past simple biodegraded	/ˌbaɪəʊdɪˈɡreɪdɪd/ /ˌbaɪəʊdɪˈɡreɪdɪd/
past participle biodegraded	/ˌbaɪəʊdɪˈɡreɪdɪd/ /ˌbaɪəʊdɪˈɡreɪdɪd/
-ing form biodegrading	/ˌbaɪəʊdɪˈɡreɪdɪŋ/ /ˌbaɪəʊdɪˈɡreɪdɪŋ/

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(of a substance or chemical物质或化学品) to change back, by the action of bacteria, to a natural state that will not harm the environment生物降解