1:27 they have multiple layers of protection, courtesy of their (2 words) which protect all the major veins and arteries, making them extremely difficult to (1 word). ゾウアザラシは、主要な静脈、動脈を保護する分厚い皮下脂肪層からなる幾層もある皮膚に覆われているので殺すことは容易ではない。
5 Animals That Could Defeat A Polar Bear
