The Arctic fox is an incredibly hardy animal that can survive frigid Arctic temperatures as low as –58°F (-50°C) in the treeless lands where it makes its home. It has furry soles, short ears, and a short muzzle—all-important adaptations to the chilly clime.展开全文
Amnesia(From Greek Ἀμνησία)is a memory disorder disease.In simple terms, it is the loss of memory,including loss of part or all of the memory...organ rz...includes a variety of conditions caused by brain damage,such as accidents, disease, drinking alcohol or drugs.展开全文
