Dogowners，whohavenoticedthattheirfour—leggedfriendseems...
问题详情：Dogowners，whohavenoticedthattheirfour—leggedfriendseemsequallydelightedtoseethemafterfiveminutesawayasfivehours，maywonderifanimalscantellhowmuchtimepasses．NewlypublishedresearchfromTheUniversity...