279 篇文章
the largest unbroken stretch of rainforest in the world,
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the largest unbroken stretch of rainforest in the world, 世界上最大的原始森林

Elephant grass is the tallest in the world.
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Elephant grass is the tallest in the world. 象草是世界上最高的草

the highest great plain in the world.
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the highest great plain in the world. 世界上海拔最高的草原

0n temperate plains around the world, summer is a time for growth and reproduction.
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0n temperate plains around the world, summer is a time for growth and reproduction. 在世界各个温带地区的草原上 夏季都是生长繁殖期

and now look ready to take on the world.
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and now look ready to take on the world. 它们已经做好了当上这个世界的主人的准备

Walruses are the largest seals in the world.
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Walruses are the largest seals in the world. 海象是世界上最大的海豹科动物.

The male polar bear's ice world has finally vanished beneath him.
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The male polar bear's ice world has finally vanished beneath him. 冰雪世界最后在雄北极熊的脚下消失了

in this dangerous world of ice.
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in this dangerous world of ice. 要保护好自己的幼仔 母熊必须施展出所有的本领

It must get to grips with its new ice world,
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It must get to grips with its new ice world, 它们必须适应这个冰雪世界

illuminating a very different ice world.
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illuminating a very different ice world. 阳光照亮了一个截然不同的冰的世界