纪录片《我们的地球》 第117期 冰封世界(13)

As the ice disappears, seabirds return to the high Arctic.

冰融化的时候，海鸟返回到北冰洋。

Little auks arrive in their millions.

小海雀成千上万地飞来。

In some ways, these birds are the penguins¹ of the north.

在一些人的眼里，这些海雀是北极的企鹅。

They seek bare rock on which to lay their eggs and they look rather like penguins, too.

它们寻找裸岩，好在上面产蛋，它们长得也有几分像企鹅。

Unlike Antarctica, the Arctic can be reached by land-based predators²,

与南极不同，陆基的掠食动物也可以到达这里，

which is why little auks have kept the ability to fly.

所以小海雀仍然需要保持飞行能力

They use scree slopes to protect their eggs, burrowing³ up to a metre beneath the rocks.

它们利用岩肖山坡保护鸟蛋，蛋藏在岩石下的深达1米的缝隙里。

At the height of summer, the sun never sets, but just skims the horizon before rising again.

盛夏的太阳从不落山，只是滑落在地平线上，再次升起。

Migrants return to the Arctic from far and wide.

候鸟们从世界各地返回北极。

They've come to make the most of the brief flush of food and to produce their young.

它们来寻找美食和繁衍后代。

Sandhill cranes have travelled all the way from New Mexico.

沙丘鹤则从新墨西哥州一路赶到这里。

Their chicks join the growing band of youngsters exploring the tundra⁴.

它们的小鸟跟其他小鸟一起探索冻土地带。

1 penguins   

n.企鹅( penguin的名词复数 )

参考例句：

• Why can penguins live in cold environment? 为什么企鹅能生活在寒冷的环境中？ 来自《简明英汉词典》
• Whales, seals, penguins, and turtles have flippers. 鲸、海豹，企鹅和海龟均有鳍形肢。 来自《现代英汉综合大词典》

2 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》

3 burrowing   

v.挖掘（洞穴），挖洞( burrow的现在分词 )；翻寻

参考例句：

• What are you burrowing around in my drawer for? 你在我抽屉里乱翻什么？ 来自《简明英汉词典》
• The forepaws are also used for burrowing and for dragging heavier logs. 它们的前爪还可以用来打洞和拖拽较重的树干。 来自辞典例句

4 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。