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Cuboid

定义 Definition

cuboid /kjubd/：长方体；近似长方体的物体（一种有 6 个矩形面的立体；若所有边相等则为 cube“正方体”）。也可作形容词，表示“长方体的”。

发音 Pronunciation (IPA)

/kjubd/

例句 Examples

The box is a cuboid.
这个盒子是一个长方体。

In geometry class, we learned how to calculate the volume of a cuboid using length, width, and height.
在几何课上，我们学习了如何用长、宽、高来计算长方体的体积。

词源 Etymology

来自 cube（立方体） + 后缀 -oid（“……形状的、类似……的”），字面意思是“像立方体的”，实际常指“长方体/类长方体”。

相关词 Related Words

文学作品 Literary Works

The Elements（Euclid，欧几里得《几何原本》；常见相关概念与长方体/棱柱体的讨论，英文译本中会出现类似“cuboid/rectangular solid/rectangular prism”等用词）
A Mathematician’s Apology（G. H. Hardy；涉及基础数学与几何直观的语境中，英文写作里常见对立体形状如“cube/cuboid”的提及）

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