展开长方形,但不要展平。图中所示为所折过的痕迹。

展开长方形,但不要展平。图中所示为所折过的痕迹。的英文翻译

基本释义

• Unfold the rectangle, but don't flatten it out. Your paper will have the creases shown by the dotted lines in the figure on the right.