冰雪世界 20-英语听力

[00:00.857]The adults close ranks around their young,
成年海象紧紧靠在一起保护小海象， [00:03.756]presenting a wall of blubber and hide.
肥厚的脂肪和皮肤形成了一道墙 [00:07.928]He tests the barrier but it stands firm.
它试了试这道屏障，非常坚固 [00:13.238]It appears that the world's largest land carnivore has met his match.
看来世界上最大的陆地食肉动物遇到了对手 [00:21.129]There must be a chink in the armour somewhere.
但它相信，这层坚固的防线一定有漏洞 [00:24.613]Not here.
可是肯定不会在这儿 [00:26.879]This female walrus is shielding her pup,
雌海象保护着它的幼崽 [00:30.056]if he can just prise her off.
只要北极熊能把它撬走 [00:32.716]The bear's claws and teeth can't penetrate her thick hide.
但它爪子和牙齿竟然无法穿透雌海象厚厚的皮肤 [00:37.975]With the herd retreating to water the bear must move quickly.
海象群开始向水里退去，北极熊必须抓紧时间。 [00:43.347]Having failed with one he heads straight for another.
北极熊扑向一只海象，没有成功，于是又扑向另外一只 [00:46.972]The chance of his first meal in months is slipping away.
几个月来可能得到的第一顿美餐就这样溜走了吗 [00:51.686]He seems increasingly desperate.
它看起来越来越绝望 [00:54.666]It's now or never.
机不可失时不再来 [00:56.933]He must avoid the stabbing tusks if he's to win.
如果它要取胜，必须要避免被长牙刺到