论文部分内容阅读
今年春节,你有没有逃脱“每逢过年胖三斤”的魔咒?关于长肉这个问题,北极的一些小伙伴表示:天空飘来五个字,那都不是事!在北极的冰原上,海豹最害怕的敌人就是北极熊。别看北极熊身形庞大,它们可是游泳好手,不过下到海里,还是不能跟海豹的速度相比。但海豹也不能老是待在海水里,无论憋气功力有多强大,它们还是要到水面上换气。同时,海豹在岸上还有更重喂奶大作战
This year’s Spring Festival, have you escaped “on the issue of meat,” on the issue of meat, some of the Arctic friends said: the sky floated five words, that is not a matter! In the Arctic ice sheet On the seals, the most terrifying enemy is the polar bear. Do not look at the huge polar bears, they are good swimmers, but down to the sea, still can not compare with the speed of the seals. But seals can not always stay in the sea, no matter how powerful hold your breath skills, they still have to get to the surface of the air. At the same time, seals have heavier feeding on the shore