n.[数]对角线；斜线；斜列；斜纹布adj.对角线的；斜线的；斜的；斜纹的 变形： 复数：diagonals 英英释义： diagonal[ dai'æɡənəl ]n.(geometry) a straight line connecting any two vertices of a polygon that are not adjacenta line or cut across a fabric that is not at right angles to a side of the fabric