纪录片《冰冻星球》 第42期 极地之冬（2）

 

As winter deepens,

随着冬季的深入

frigid¹ air from the Arctic

从北极来的冷空气

meets warm, moist air from the south,

与南方温暖湿润的空气相遇

producing particularly heavy snows.

形成了漫天的暴雪

For the big animals of the forest,

对于森林中的大型动物

there's no way of hiding from the winter.

寒冬似乎无法躲避

But size, for the bison of Northern Canada,

但对加拿大北部的野牛来说

is, in fact, their salvation².

体积大 反而成了它们的优势

Big bodies lose less heat

庞大的体积能减少热量流失

and can carry more insulation³.

而且隔热效果好

That may be why these bison

这也解释了为何这些野牛

are the largest land animals in North America.

是北美洲体积最庞大的陆地动物

And only a large predator⁴ can tackle them.

只有大型的食肉动物才能擒获它们

Wolves hunt better in packs,

狼 以集体狩猎见长

but there are only two of them here

但目前只有两匹狼作伴

and the prey⁵ they pursue are giants.

而它们追捕的猎物却体型硕大

1 frigid   

adj.寒冷的，凛冽的；冷淡的；拘禁的

参考例句：

• The water was too frigid to allow him to remain submerged for long.水冰冷彻骨，他在下面呆不了太长时间。
• She returned his smile with a frigid glance.对他的微笑她报以冷冷的一瞥。

2 salvation   

n.（尤指基督）救世，超度，拯救，解困

参考例句：

• Salvation lay in political reform.解救办法在于政治改革。
• Christians hope and pray for salvation.基督教徒希望并祈祷灵魂得救。

3 insulation   

n.隔离；绝缘；隔热

参考例句：

• Please examine the insulation of the electric wires in my house.请检查一下我屋子里电线的绝缘情况。
• It is always difficult to assure good insulation between the electric leads.要保证两个电触头之间有良好的绝缘总是很困难的。

4 predator   

n.捕食其它动物的动物；捕食者

参考例句：

• The final part of this chapter was devoted to a brief summary of predator species.本章最后部分简要总结了食肉动物。
• Komodo dragon is the largest living lizard and a fearsome predator.科摩多龙是目前存在的最大蜥蜴，它是一种令人恐惧的捕食性动物。

5 prey   

n.被掠食者，牺牲者，掠食；v.捕食，掠夺，折磨

参考例句：

• Stronger animals prey on weaker ones.弱肉强食。
• The lion was hunting for its prey.狮子在寻找猎物。