Parallelehedra
平行面體
??? 情景例句
What type of visa have you got?
您持的是哪種簽證？
Have you marketed your product yet?
你們的產品尚未推出市場嗎？
The experts were now fully convinced that the animal was a puma,
專家們如今已經完全肯定那只動物就是美洲獅，