短語詞組短語features with symmetric figure 對稱形狀要素central symmetric figure 中心對稱圖形axial symmetric figure 這樣的圖形叫做軸對稱圖形symmetric figure with axis 稱圖形symmetric axis of a figure 圖形的對稱軸symmetric centre of a figure 圖形的對稱中心 返回 symmetric figure