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equilateral

英式英标[\'ikwə\'lætərəl]
美式音标[,iːkwɪ\'læt(ə)r(ə)l; ,ekwɪ-]

adj. 等边的；等面的

n. 等边形

中文词源

equilateral 等边的

equ-, 平等，相等。-later, 边，见lateral.

英文词源

equilateral (adj.): "having all sides equal," 1560s, from Late Latin aequilateralis, from aequi- (see equal (adj.)) + lateralis (see lateral). Related: Equilaterally.

实用例句

1. Use your protractor to construct an equilateral triangle.: 用量角器作一个等边三角形.

2. The angles are equal, for ABC is equilateral.: 三角相等, 因为三角形ABC是等边三角形.

3. Its outline roughly forms an equilateral triangle.: 它的轮廓大致形成一个等边三角形。

4. An equilateral triangle cannot be dissected into finitely many incongruent equilateral triangles.: 等边三角形不能分成有限多个不全等的等边三角形.

5. Each face is an equilateral triangle and three faces meet at each vertex.: 每一个面是正三角形并且于每一个顶点处有三个面相交.

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