- 问题详情:Ifyouputabuzzard(*)inapen(围栏)sixtoeightfeetsquareandentirelyopenatthetop,thebird,inspiteofitsabilitytofly,willbeaprisoner.Thereasonisthatabuzzardalwaysbeginsaflightfromthegroundwitharunoftentotwelvefeet.Withoutspacetorun,itwillnotevenattempttofly...
- 31082