ec·to·par·a·site /ˌɛktoˈpærəˌsaɪt/
  ec·to·par·a·site /ˌɛktoˈpærəˌsaɪt/ 名詞
  外寄生物,體外寄生蟲
  Ec·to·par·a·site n. Zoöl. Any parasite which lives on the exterior of animals; -- opposed to endoparasite. -- Ec*to*par*a*sit*ic a.
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  ectoparasite
       n : any external parasitic organism (as fleas) [syn: ectozoan,
            ectozoon, epizoan, epizoon]