将镜子置于头顶,实际上反向的只有上下,假定上下没反,那么镜像就该头朝上对不对?如果镜像头朝上,会怎样?左还是左、右还是右:)
将镜子置于头顶,实际上反向的只有上下,假定上下没反,那么镜像就该头朝上对不对?如果镜像头朝上,会怎样?左还是左、右还是右:)
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