这些风由人类自身的两种行为引起。

The winds themselves are caused by two separate human factors.

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风是由冷暖地区流动着的空气引起的。

Wind is caused by air moving between cold and warm region.

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风是由空气的温差引起的。

Wind is caused by differences in the temperature of air.

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风是由空气的温差引起的。

Wind is caused by differences in the temperature of air.

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