| 释义 |
直径 zhí jìng ★★☆☆☆n.名词⁰·⁰⁰³⁷ᴾᵃ³⁴⁷⁴
基本例句
diameterdiamdiametrecalibercalibre繁体直徑极距；两极的直径Polar distance; polar diameter.
圆的轴线是其直径。The axis of a circle is its diameter.
我们必须先测量电线的直径。We must gauge the diameter of wire first.
这树干的直径大约是2米。The diameter of the tree-trunk is about 2 meters. |