| 单词 | symbiosis | 
| 释义 | Word Frequency symbiosis(ˌsɪmbɪˈəʊsɪs, ˌsɪmbaɪˈəʊsɪs) noun 1.  a close and usually obligatory association of two organisms of different species that live together, often to their mutual benefit  2.  a similar relationship between interdependent persons or groups Derived formssymbiotic (ˌsymbiˈotic) or  rare symbiotical (ˌsymbiˈotical) adjective Word originC19: via New Latin from Greek: a living together; see symbiont | 
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