# diameter

常用词汇
[daɪ'æmɪtə(r)] 　 　 [daɪ'æmɪtər]
• n. 直径
diametral
new

## diameter的英文翻译是什么意思，词典释义与在线翻译：

### 详尽释义

n. (名词)
1. 直径
2. 径，对径
3. 放大倍数，透镜放大的倍数，放大率
4. 横断面

### 双解释义

n. (名词)
1. [C]直径 straight line connecting the center of a circle or sphere
2. [C]放大率 a measurement of how many times bigger an object looks, when seen through a microscope

### 英英释义

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

2. 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)

## diameter的用法和样例：

### 例句

1. The diameter of the tree-trunk is about 2 meters.
这树干的直径大约是2米。
2. We must gauge the diameter of wire first.
我们必须先测量电线的直径。
3. The axis of a circle is its diameter.
圆的轴线是其直径。

### 常见句型

1. The circle has a diameter of 6 inches.
这个圆直径六英寸。
2. This microscope magnifies 20 diameters.
这台显微镜能放大20倍。

### 经典引文

• The castor of a bed-leg, magnified to roughly 118 diameters.

出自： F. O

## diameter的详细讲解：

### 词源解说

• ☆ 14世纪晚期进入英语，直接源自拉丁语的diametros，意为穿过圆的长度。

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【反义词】