equilateral

equilateral

英 [,iːkwɪ'læt(ə)r(ə)l; ,ekwɪ-]
　　美 ['ikwə'lætərəl]

adj. 等邊的；等面的
　　n. 等邊形

中文詞源：

equilateral 等邊的

equ-, 平等，相等。-later, 邊，見lateral.

例句：

1. Use your protractor to construct an equilateral triangle.
用量角器作一個等邊三角形.

2. The angles are equal, for ABC is equilateral.
三角相等, 因為三角形ABC是等邊三角形.

3. Its outline roughly forms an equilateral triangle.
它的輪廓大致形成一個等邊三角形。

4. An equilateral triangle cannot be dissected into finitely many incongruent equilateral triangles.
等邊三角形不能分成有限多個不全等的等邊三角形.

5. Each face is an equilateral triangle and three faces meet at each vertex.
每一個面是正三角形並且於每一個頂點處有三個面相交.