The town will be powered entirely by energy from the sun.

该镇将完全依靠太阳能提供能源。

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They can use energy from the sun or can be hand-powered.

它们可以使用太阳能或手动供能。

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They can use energy from the sun or can be hand-powered.

它们可以使用太阳能或手动供能。

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