| 釋義 |
diameter /dai'aemita(r); dai'aematv/ n measurement across any geometrical figure or body; (length of a) straight line drawn from side to side through the centre, esp of a circular, spherical or cylindrical form: 直徑 (橫過任何幾何圖形或物體的度量; 穿過圓心、球心、或圓柱中心、兩端及于周邊之直線或其長度); 對徑; 徑; 倍： the ~ of a tree-trunk; 樹干的直徑; a lens that magnifies 20 ~s, that makes an object look 20 times longer, wider, etc than it is, r- the illus at circle. 放大二十倍的透鏡 . ( 參看 circle 之插圖) 。 |