纪录片《冰冻星球》 第43期 极地之冬（3）

Some trees are loaded with three tonnes of snow.

有的树承受了三吨重的雪

It shuts out what little light there is at these latitudes¹,

雪挡住了本已不足的阳光

and that shortens the growing season still further

让树的生长期缩短

and limits how far north trees are able to grow.

限制了它们的生长能力

So, snow influences both the shapes of the trees

所以雪不仅影响树的形状

and the extent of this forest.

也影响这片森林的广度

And it affects the animals, too.

当然雪也会影响动物

It helps to have friends

如果想在这个季节觅食

if you want to find food at this time of the year.

结伴而行是很好的选择

Wolverines and ravens³, a match made in the Taiga.

狼獾和乌鸦是针叶树林里的好搭档

It's the hardest time of the year to find food.

这是最难觅食的季节

But the wolverine knows that a raven²'s call

但狼獾知道乌鸦的叫声

is as good as a dinner bell.

就是他们的开饭铃

And the raven has just

而对乌鸦来说

recruited the best can opener in the forest.

狼獾是他们最好的开罐器

The moose carcass is frozen solid,

麋鹿的尸体被冻得很结实

but the wolverine has immensely powerful jaws⁴,

但狼獾有强有力的下颌

well able to deal with frozen food.

最适合处理冰冻食物

The raven's bill is more suited to leftovers⁵.

乌鸦更适合吃剩菜

1 latitudes   

纬度

参考例句：

• Latitudes are the lines that go from east to west. 纬线是从东到西的线。
• It was the brief Indian Summer of the high latitudes. 这是高纬度地方的那种短暂的晚秋。

2 raven   

n.渡鸟，乌鸦；adj.乌亮的

参考例句：

• We know the raven will never leave the man's room.我们知道了乌鸦再也不会离开那个男人的房间。
• Her charming face was framed with raven hair.她迷人的脸上垂落着乌亮的黑发。

3 ravens   

n.低质煤；渡鸦( raven的名词复数 )

参考例句：

• Wheresoever the carcase is,there will the ravens be gathered together. 哪里有死尸，哪里就有乌鸦麇集。 来自《简明英汉词典》
• A couple of ravens croaked above our boat. 两只乌鸦在我们小船的上空嘎嘎叫着。 来自辞典例句

4 jaws   

n.口部；嘴

参考例句：

• The antelope could not escape the crocodile's gaping jaws. 那只羚羊无法从鱷鱼张开的大口中逃脱。
• The scored jaws of a vise help it bite the work. 台钳上有刻痕的虎钳牙帮助它紧咬住工件。

5 leftovers   

n.剩余物，残留物，剩菜

参考例句：

• He can do miracles with a few kitchen leftovers.他能用厨房里几样剩饭做出一顿美餐。
• She made supper from leftovers she had thrown together.她用吃剩的食物拼凑成一顿晚饭。