![Becarefulwhatyousayaroundyourdog.Itmightunderstandmoret...]( "Becarefulwhatyousayaroundyourdog.Itmightunderstandmoret...")
- 問題詳情：Becarefulwhatyousayaroundyourdog.Itmightunderstandmorethanyouthink.AbordercollienamedRicorecognizesthenamesofabout200objects,sayresearchersinGermany.Thedogalsoappearstobeabletolearnnewwordsaseasilyasa3-year-oldchild.Itsword-learningskillsarea...
- 6854
中文谷