纪录片《我们的地球》 第133期 辽阔平原(08)

Further south, other bigger predators¹ prowl the tundra².

在北极苔原更远的南边有更大的掠食动物出没。

Wolves. For them, finding food on the plains is an even greater challenge.

狼。对于狼来说，在茫茫大草原上寻食甚至更为艰辛。

Not only is their prey³ seasonal⁴, it's also hard to find.

不仅它们的猎物是季节性的，而且很难找到。

They've been searching for days without a sign.

这些狼虽觅食多日，但一无所获。

Somewhere in this immense landscape there is food for them.

在这无边无际的大地上的某处，有它们所需要的食物。

This is it. Caribou⁵.

这就是了。北美驯鹿。

Travelling 30 miles a day, they can cover nearly 2,000 miles during the summer months.

驯鹿日行30英里，差不多整个夏季能够行进2000英里。

The wolves will starve if they don't find the caribou.

狼若找不到驯鹿，就会饿死。

But it's no easy task to locate prey that never stops travelling.

但若想找到这些脚步永不停止的猎物又谈何容易？

Biting flies and the quest for new pasture drives the migration⁶ ever onwards.

会叮咬它们的苍蝇以及为了寻找新草场，驱使它们不停的向前迁徙。

1 predators   

n.食肉动物( predator的名词复数 )；奴役他人者（尤指在财务或性关系方面）

参考例句：

• birds and their earthbound predators 鸟和地面上捕食它们的动物
• The eyes of predators are highly sensitive to the slightest movement. 捕食性动物的眼睛能感觉到最细小的动静。 来自《简明英汉词典》

2 tundra   

n.苔原，冻土地带

参考例句：

• The arctic tundra is at the top of the world around the North Pole.北极冻原是指北极点周边的地区，是世界最高的地方。
• There is a large amount of methane gas under the Siberian tundra.西伯利亚的冻土地带之下有大量的甲烷气体。

3 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。

4 seasonal   

adj.季节的，季节性的

参考例句：

• The town relies on the seasonal tourist industry for jobs.这个城镇依靠季节性旅游业提供就业机会。
• The hors d'oeuvre is seasonal vegetables.餐前小吃是应时蔬菜。

5 caribou   

n.北美驯鹿

参考例句：

• Afar off he heard the squawking of caribou calves.他听到远处有一群小驯鹿尖叫的声音。
• The Eskimos played soccer on ice and used balls filled with caribou hair and grass.爱斯基摩人在冰上踢球，他们用的是驯鹿的毛发和草填充成的球。

6 migration   

n.迁移，移居，（鸟类等的）迁徙

参考例句：

• Swallows begin their migration south in autumn.燕子在秋季开始向南方迁移。
• He described the vernal migration of birds in detail.他详细地描述了鸟的春季移居。