diameter
n. 直径
形容词：diametral
近义词：width，thickness，breadth，length，distance，span，calibre，insidediameter，inside，diameter，diam，radius，
详细释义
n.(名词)
- 直径
- 径，对径
- 放大倍数，透镜放大的倍数，放大率
- 横断面
双解释义
n.(名词)
- [C]直径 straight line connecting the center of a circle or sphere
- [C]放大率 a measurement of how many times bigger an object looks, when seen through a microscope
英英释义
Noun
- the length of a straight line passing through the center of a circle and connecting two points on the circumference
- a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
组词搭配
形容词+～
- inside diameter内径
- outside diameter外径
介词+～
- be 100 inches in diameter直径为100英寸
例句
用作名词(n.)
- The diameter of the tree-trunk is about 2 meters.这树干的直径大约是2米。
- We must gauge the diameter of wire first.我们必须先测量电线的直径。
- The axis of a circle is its diameter.圆的轴线是其直径。