These latter are based on the position of our earth with regard to the sun.

气候的基本规律跟地球与太阳的位置密切相关。

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Many people regard it as the last piece of clean land on the earth.

很多人把它看作地球上的最后一片净土。

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Many people regard it as the last piece of clean land on the earth.

很多人把它看作地球上的最后一片净土。

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