橄榄树一直是宝贵的食物和石油来源。

The olive tree has always been a valuable source of food and oil.

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没有树，动物就会失去食物。

Without trees, animals will lose their food.

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树可以互相传递食物和水。

Trees can send food and water each other.

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它们给树制造食物。

They make food for the tree.

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它们给树制造食物。

They make food for the tree.

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