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Some day man will be able to utilize the solar energy.
总有一天人类将能利用太阳能。
youdao
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The day will come when man can make full use of solar energy.
人类能够充分利用太阳能的那一天将会到来。
youdao
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The day will come when man can make full use of solar energy.
人类能够充分利用太阳能的那一天将会到来。
youdao