diameter 详细解释

diameter

[dai'æmitə]

n.直径

n.[C]

1. 直径

Measure the diameter of this circle.

量一下这圆的直径。

2. 倍(透镜等的放大单位)

This glass magnifies 20 diameters.

这个放大镜能放大二十倍。

词形变化

形容词: diametral |

词义辨析

同义:

n.直径

breadth  width  thickness  inside diameter  calibre  

反义:

n.直径; 倍

radius  

英英释义

名词 diameter:

the length of a straight line passing through the center of a circle and connecting two points on the circumference

同义词：diam

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)

补充

diameterdiameter英:[daiˈæmitə] 美:[daɪˈæmɪtɚ]n.1.直径The circle has a diameter of 6 inches.这个圆直径六英寸。2.放大率This microscope magnifies 40 diameters.这台显微镜能放大40倍。

例句

1. a length of 22-mm diameter steel pipe一段直径22毫米的钢管 2. a tube less than a fifth of the diameter of a human hair不足人发五分之一粗的导管 3. The dotted line indicates the diameter of the circle.虚线表示这个圆的直径。 4. What is the diameter of the tree trunk?树干的直径是多少？ 5. a pipe with a diameter of two inches = a pipe with a two-inch diameter口径为两英寸的管子 6. Dig a hole that's two feet deep and three feet in diameter.挖一个深两英尺、直径三英尺的洞。

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