他学会了在这片干燥、尘土飞扬的土地上种植玉米。

He learned to make corn grow in the dry, dusty soil.

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后来，一些人学会种植作物和养殖动物为食。

Then, some people learned to grow crops and raise animals for food.

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没有人知道如何或何时，这些人学会了种植粮食。

No one knows how or when these people learned to grow food.

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然后，有些人学会种植庄稼和饲养动物的食品。他们的第一个农民。

Then, some people learned to grow crops and raise animals for food.

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然后，有些人学会种植庄稼和饲养动物的食品。他们的第一个农民。

Then, some people learned to grow crops and raise animals for food.

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