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This is Earth. Maybe you've heard of it. I sure hope so because you live on one of its seven continents.
这是地球。也许你听说过？我当然希望如此，因为你就生活在它的七大洲之一！
Guess which continent is the hottest? That's right. You guessed it.
猜猜哪个大陆是最热的？没错。你猜到了。
Africa is home to the largest desert in the world, The Sahara. It's massive.
非洲拥有世界上最大的沙漠--撒哈拉沙漠。它真的是巨大。
It's total area spans over 3 million square miles. Its' the size of an entire country.
撒哈拉沙漠的总面积超过300万平方英里。有整个国家那么大。
Seriously. It's almost the size of the United States.
严格意义上来说。它几乎和美国一样大。
But Africa isn't all sand and dunes. Not by a long shot.
但非洲并不全是沙子和沙丘。绝对不是。
A little ways south of the Sahara is the Congo Rainforest. It's the second largest rainforest in the world, and it's full of life.
撒哈拉以南不远的地方是刚果雨林。它是世界上第二大雨林，充满了生机。
Mammals, birds, amphibians, and close to 10,000 species of plants.
那里栖息着哺乳动物，鸟类，两栖动物，还有近一万种植物。
Let's take a quick trip to the African Savanna to check out all the wildlife.
让我们来一趟非洲大草原之旅，看看所有的野生动物。
This tropical grassland covers almost 65% of Africa. And where there's grass, there are herbivores, also known as plant eaters.
这片热带草原几乎覆盖了非洲65%的面积。哪里有草，哪里就有食草动物。
Zebras, elephants, giraffes, and gazelles all graze off the land in large herds for safety because these herbivores live alongside predators.
斑马、大象、长颈鹿和瞪羚都成群结队地在陆地上吃草以保证安全，因为这些食草动物与食肉动物生活在一起。
The big cats aren't the only carnivores in town. Crocodiles roam near the banks of the shore.
大型猫科动物并不是这里唯一的食肉动物。鳄鱼会在水边游荡。
Hyenas and wild dogs also roam this continent in search of their next meal.
鬣狗和野狗也在这片大陆上漫步，寻找着它们的下一餐。
Millions of people come to visit the Savanna every year to see these amazing animals in their natural habitat. Rain or shine.
每年都有数百万人来到大草原，在这些神奇的动物的自然栖息地欣赏。风雨无阻。
Because the Savanna has only two seasons. Wet... and dry.
因为大草原只有两个季节。干湿两季。
It's not just wildlife that lives here. There's another animal who shares this beautiful continent. Humans.
这里不仅有野生动物。还有另一种动物分享着这片美丽的大陆。那就是人类。
It's hard to believe that one of the oldest civilizations on Earth began in Africa. In Ancient Egypt to be exact -- dating back over 5,000 years.
很难相信地球上最古老的文明之一起源于非洲。确切地说，是在5000多年前的古埃及。
Today, there are over 1 billion people living on the continent of Africa in 56 different countries, speaking over 1,500 languages, living in large cities and small villages.
今天，有超过10亿人生活在非洲大陆的56个不同的国家，讲1500多种语言，居住在大城市和小村庄。
All are residents of the second largest continent on Earth... Africa.
他们都是地球上第二大大陆--非洲的居民。
