epi·zo·ic /ˌɛpəˈzoɪk/
epi·zo·ic /ˌɛpəˈzoɪk/ 形容詞
Ep·i·zo·ic a. Zoöl. Living upon the exterior of another animal; ectozoic; -- said of external parasites.
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epizoic
adj : living or growing on the exterior surface of an animal
usually as a parasite; "an epizoic plant parasite"
[ant: entozoic]