![Dolphinsarenotfish,butwarm-bloodedanimals.Theyliveingro...]( "Dolphinsarenotfish,butwarm-bloodedanimals.Theyliveingro...")
- 問題詳情：Dolphinsarenotfish,butwarm-bloodedanimals.Theyliveingroups,andspeaktoeachotherintheirownlanguage.Inthistheyarelikeotheranimals,suchasbeesandbirds.Butdolphinsareverydifferentfromalmostalllandanimals.Theirbrainisnearlythesamesizeasourown,andthe...
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