单词 diameter 释义 diameter|damt(r)|Also 4–6 diametre.[a. OF. dia-, dyametre (13th c. in Littr; mod.F. diamtre), ad. L. diametrus, -os, a. Gr. ά (sc. ή line) diagonal of a parallelogram, diameter of a circle, f. ά through, across + measure.]1. Geom....
单词 diameter 释义 diameter n (length of a) straight line connecting the centre of a circle or sphere, or of the base of a cylinder, to two points on its sides 直径 the diameter of a tree-trunk 树干的直径 a lens that magnifies 20 diameters, ie makes an o...