concentricity的音標是[?k?n?sentris?t?]，意思是同心性；同軸度。

記憶技巧：con-共同，centr-中心，-ity表示性質。該單詞可以指中心共同性。

建議通過想象或造句來輔助記憶。

concentricity這個詞的詞源可以追溯到拉丁語和希臘語，表示“同心”或“同軸”。它的英文拼寫在歷史上有所變化，包括concentricity和concentricism。

變化形式：復數形式是concentricities，過去式是concentrated，過去分詞是concentric，現在分詞是concentric，形容詞形式是concentric。

相關單詞：

concentric circle（同心圓）是一個常見的相關單詞，描述兩個或更多的圓圈，其中一個圍繞另一個。

concentric structure（同心結構）指的是一個物體內部的結構，其中一部分圍繞另一部分旋轉。

concentricity（同心性）是一個更抽象的概念，描述物體或系統是否具有同軸或同心結構或行為。

centricity（中心性）也是一個相關的概念，描述物體或系統是否在中心或圍繞中心旋轉。

coaxial（共軸的）也是一個相關的單詞，描述兩個或更多的物體是否在同一軸線上。

coaxiality（共軸性）也是一個相關的概念，描述兩個物體之間的共軸關系。

coherency（一致性）也是一個相關的概念，描述系統或物體是否在同一個方向上或具有相同的性質。

concentric motion（同心運動）描述的是圍繞一個中心點旋轉的運動。

concentricity measurement（同心性測量）是一種測量方法，用于確定物體或系統是否具有同心性。

concentricity 的常用短語：

1. concentric circles 同心圓

2. concentric circles of influence 影響力同心圓

3. concentricity of reference points 參考點的同心性

4. concentricity error同心性誤差

5. concentricity control 同心度控制

6. concentricity measurement 同心度測量

7. concentricity tolerance 同心度公差

例句：

1. The two circles are concentric, indicating that they were drawn at the same time and place.

這兩個圓是同心圓，說明它們是在同一時間和地點繪制的。

2. The spokes of a wheel form concentric circles when viewed from the center.

從中心看去，車輪的輻條形成同心圓。

英文小作文：

Title: The Magic of Concentricity

Concentricity is a beautiful and powerful concept in geometry that can be seen in many aspects of life. It represents the idea that things that seem separate and distinct are actually interconnected and related in some way.

For example, think about the concentric circles we see on the surface of water when we throw a stone into it. The outer circle is formed by the splash, and the inner circle is formed by the still water that remains around the stone. These two circles may seem completely separate, but in reality, they are intimately connected.

Concentricity reminds us to look beyond the surface and see the deeper connections that exist within and between things. It can help us to understand that we are all connected, and that our actions and choices have impacts far beyond our own sphere of influence.

Concentricity is a magical concept that can transform our perspectives and help us to see the beauty and wonder of the world around us.