Astheworld’slargestterrestrialcarnivore(陆地食肉动物),thepola...
问题详情：Astheworld’slargestterrestrialcarnivore(陆地食肉动物),thepolarbearisthekingofthegreatwhitenorth.Adultmalescanmeasuremorethan9feetinlengthandweighbetween770and1430pounds.Thepolarbearhasastrong...