diam

diam音标是["daɪəmə]，“diam”的基本翻译为“diameter（直径）”，速记技巧为“大姨吗”（diameter谐音为“大姨吗”）。

diam的英文词源：

diam的英文词源可以追溯到拉丁语词diam，意为“两倍”。

变化形式：

diameter n. 直径

diametrically adv. 径直地

diametrical adj. 直径的

diametre n. 直径

diametral adj. 直径的

diametric adj. 直径的

diametralize v. 使成直径

diametralization n. 直径化

diametricality n. 直径性

相关单词：

1. diameter：diameter的意思为“直径”，可以引申为“直径的”这一含义。例如，circle的直径可以表示圆的半径，而radius的意思也是“半径”，因此circle的diameter即为diameter of a circle，意为圆的直径。

2. diametrically opposed：diameter和oppose两个词组合在一起，可以表示“成反对立”的状态。例如，两个国家在领土问题上存在diametrically opposed views，即两个国家在领土问题上持有截然相反的观点。

3. diametrically opposite：diametrical的意思为“直径的”，因此diametrical和opposite组合在一起可以表示“相反的”这一含义。例如，在描述两个事物之间的关系时，可以用diametrically opposite来表示两者之间存在完全相反的关系。

以上这些单词都与diam这个英文词源相关，它们在不同的语境中有着不同的含义和用法。同时，这些单词也反映了英语词汇的多样性和变化性。

常用短语：

1. diameter of a circle

2. diametrically opposed

3. diametrically opposite

4. diametrical difference

5. diametrical opposition

6. diametrical split

7. diametrical opposite view

例句：

1. The two sides are diametrically opposed on the issue of tax reform.

2. The two candidates have diametrically opposite views on education policy.

3. The two countries have diametrically different views on global warming.

4. The two sides are diametrically opposed in their views on the best way to solve the conflict.

5. The diameters of the two circles are equal, but their shapes are very different.

6. The two sides are diametrically opposed in their views on the best way to promote economic growth.

7. The diameter of the circle is equal to its circumference divided by pi.

英文小作文：

Title: Diameter and Circumference

The diameter of a circle is a very important concept in geometry, as it determines the shape and size of the circle. The diameter is equal to the length of the longest line that passes through the center of the circle and is perpendicular to any other line on the circle. In other words, the diameter is the distance between any two points on the circle, which is why it is also called the radius of a circle.

The circumference of a circle is also determined by its diameter, as it is equal to the distance that a point on the circle travels around the circle when it completes one full rotation. This means that if you know the diameter of a circle, you can easily calculate its circumference, as it is just the diameter multiplied by pi (π).

In real life, the diameter and circumference of a circle can be used to describe many different situations, such as the size of a circle in a painting or sculpture, or even the distance between two points on a map or satellite image. Understanding these concepts can help us better understand how things work and how they fit into our world.