the diameter of sth
Measure the diameter of the circle.
测量这个圆的直径。
度量空间的直径；图的直径；通过圆心并连接圆周上两点的直线长度；直径长度；连接圆心与圆周上两点(或球体表面上两点)的直线
the length of a straight line through the center of a circle or sphere that connects two points on its outer edge; also such a line itself
直径
Any straight line between two points on the circumference of a circle that passes through the center of the circle; a chord that passes through the center of the circle.
通过圆心并连接圆周上两点的直线长度
the length of a straight line passing through the center of a circle and connecting two points on the circumference
直径长度
The length of such a line.
连接圆心与圆周上两点(或球体表面上两点)的直线
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)
度量空间中的直径
The maximum distance between any two points in a metric space.
图的直径
The maximum eccentricity over all vertices in a graph.
The diameter of the pipe is 10 centimeters.
这根管子的直径是10厘米。
用法提示：diameter 作为名词，表示直径
To calculate the circumference, multiply the diameter by π.
要计算周长，将直径乘以π。
用法提示：diameter 作为名词，用于数学计算
The tree trunk had a diameter of over two meters.
这棵树的树干直径超过两米。
用法提示：diameter 作为名词，描述物体横截面尺寸
Measure the diameter of the circle.
测量这个圆的直径。
用于描述物体的直径尺寸。
The pipe is 5 cm in diameter.
这根管道直径为5厘米。
The tree has a diameter of 2 meters.
这棵树的直径为2米。
grammar · medium
易错句子The circle diameters 10 cm.
正确表达The circle has a diameter of 10 cm.
“diameter” 是名词，不能用作动词。正确表达是 “have a diameter of” 结构。
grammar · medium
易错句子The radius of the circle is 20 cm.
正确表达The diameter of the circle is 20 cm.
混淆了 “diameter”（直径）和 “radius”（半径）。直径是半径的两倍，此处应使用 “diameter”。
直径是通过圆心连接圆周上两点的线段长度，而半径是圆心到圆周上任意一点的线段长度。半径是直径的一半。
直径是穿过圆心的直线长度，而周长是围绕圆的边界长度。
外径
The outer diameter of the pipe is 10 centimeters.
管道的外径是10厘米。
内径
The inner diameter must be large enough for the cable to pass through.
内径必须足够大以便电缆通过。
圆的直径
The diameter of a circle is twice its radius.
圆的直径是半径的两倍。
测量直径
Use a caliper to measure the diameter of the sphere.
用卡尺测量球的直径。
地球直径
The diameter of the Earth is about 12,742 kilometers.
地球直径约为12,742公里。
meter
meter
meter
meter
meter
meter
dia- (through) + meter (measure)
dia- (across) + gon (angle) + -al (adjective)
peri- (around) + meter (measure)
直径的一半，从圆心到圆周的距离。
围绕圆的边界长度，直径与圆周率π相关。
直径是圆内最长的弦，通过圆心。
直径通过圆心，将圆分成两个半圆。
直径是描述圆形物体大小的常用测量值。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.