冰雪世界 19-英语听力

[00:00.522]After several days at sea
在海上浮游几天之后， [00:02.653]the male bear finally makes landfall
公北极熊终于登岸了 [00:05.777]drawn by pungent smells emanating from the island.
它是被岛上强烈的气味吸引来的 [00:10.239]By the end of summer the bear has lost half his weight.
夏天结束时这只北极熊的体重已经减少了一半 [00:15.773]With the ice long gone
冰层融化之后 [00:17.545]he is forced onto land in search of food.
它不得不在陆地上寻找食物 [00:22.035]There will be no easy meals on this island.
这个岛上的食物并不容易获得 [00:25.715]Walruses are the largest seals in the world.
海象是世界上最大的海豹（？） [00:28.946]Their weight over a tonne
海象的体重可以超过一吨 [00:31.044]and are armed with tusks a metre long.
而且有长达一米的尖利牙齿 [00:34.155]Exhausted from his swim
北极熊经过长时间的游泳已经筋疲力尽了 [00:36.218]the bear must regain his strength.
它必须要恢复捕食的力量 [00:39.032]The next day a sea fog shrouds the island.
第二天，雾给小岛披上了一层轻纱 [00:43.962]The walruses sense that they're in danger.
海象感觉到一种莫名的危险正在迫近 [00:47.797]Using the fog as cover the bear approaches the herd.
熊在雾的掩护下向海象群靠近