Dogsareknownfortheirsenseofsmell.Theycanfindmissingpeop...
问题详情:Dogsareknownfortheirsenseofsmell.Theycanfindmissingpeopleandthingslikebombsandillegaldrugs.Nowastudysuggeststhattheanimalknownasman’sbestfriendcanevenfindbladder(膀胱)cancer.Cancercellsarethoughtt...