文档介绍：行星地球英文解说词
第 1 集 PLANET EARTH From Pole to Pole
A hundred years ago there were one and a half billion people on Earth.
Now, over six billion crowd our fragile planet Earth. But even so, there
are still places barely touched by humanity. This series will take to the
last wildernesses and show you the planet Earth and its wildlife as you
have never seen them before. Imagine our world without sun. Male
Emperor penguins are facing the nearest that exists on planet Earth Earth
- winter in Antarctica. It's continuously dark and temperatures drop to
minus seventy degrees centigrade. The penguins stay when all other
creatures have fled because each guards a treasure: a single egg rested on
the top of its feet and kept warm beneath the downy bulge of its stomach.
There is no food and no water for them, and they will not see the sun
again for four months. Surely no greater ordeal is faced by any animal. As
the sun departs from the Antarctic it lightens the skies in the far north. It's
March and light returns to the high Arctic, sweeping away four months of
darkness. A polar bear stirs. She has been in her den the whole winter.
Her emergence marks the beginning of spring. After months of
confinement underground she toboggans down the slope. Perhaps to clean
her fur, perhaps for sheer joy. Her cubs gaze out of their bright new world
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for the very first time. The female calls them, but this steep slope is not
the easiest place to take your first steps. But they are hungry and eager to
reach their mother, who's delayed feeding them on this special day. Now
she lures them with the promise of milk, the only food the cubs have
known since they were born deaf and blind beneath the snow some two
months ago. Their mother has not eaten for five months and has lost half
her body weight. Now she converts the last of her f