what are DC?

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whatareDC?whatareDC?whatareDC?「DC是什么?」

what are DC?
what are DC?

what are DC?
「DC是什么?」

what are DC? what are what are what,are, what are what are What are what are What is the difference AC and DC what are they are pens you are what you what are you waiting what are they what are you fucking what are you doing? what are your family what are your plans What are they?