棱柱是几何学中的一种常见的三维多面体,指上下底面平行且全等,侧棱平行且相等的封闭几何体。若棱柱的底面为n边形,那么该棱柱便称为n-棱柱。如三棱柱就是底面为三角形的棱柱。 棱柱是多面体中最简单的一种,我们常见的一些物体,例如三棱镜、方砖以及螺栓的头部,它们都呈棱柱的形状。
在约定的时间,他开着一辆普通的轿车来接我,车顶上装着一个巨大的披萨外送的棱柱。
At an appointed time, he picked me up in a modest sedan with one of those giant pizza-delivery prisms.
铁块会一直加热,直到到达某一燃点,便会辐射出光来;而当它的光线穿过一块棱柱时,棱柱就会分割光线,形成光谱。
This light is passed through a prism, which breaks it up into a spectrum, and a unique pattern, kind of like a chemical fingerprint of spectral lines for that element appears.
穿山甲的鳞片由非常薄的棱柱形结构单元和折叠单元组成。
The scales of the pangolin were composed of the very thin prismy construction units and the folded units.
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