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将来,地球上会出现一座新的城市———完全采用太阳能作为能源的太阳城。在这座城市里,到处都是彩色的太阳能转换器,建筑物的屋顶在
In the future, there will be a new city on Earth - a solar city full of solar energy. In this city, colored solar converters are everywhere, and the roof of the building is on the roof