nitrogen-fixing bacteria
noun [ plural ] uk/ˌnaɪ.trə.dʒənˌfɪk.sɪŋ bækˈtɪə.ri.ə/ us/ˌnaɪ.trə.dʒənˌfɪk.sɪŋ bækˈtɪr.i.ə/
固氮细菌
bacteria that can absorb nitrogen from the air and change it into a form that plants can use for food
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