Crude Petroleum is the ancient source of energy.

原油是一种广泛使用的古代能源。

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Fish has been an early source of food in ancient Egypt, Rome and Japan.

埃及、罗马和日本古代早期的食品来源中有鱼。

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The most ancient flows to it's source.

最古老的流向其源头。

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The most ancient flows to it's source.

最古老的流向其源头。

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