| 单词 | 柱体 |
| 释义 | 〔bullet〕A usually metal projectile in the shape of a pointed cylinder or a ball that is expelled from a firearm, especially a rifle or a handgun.子弹，枪弹：从火器中，尤指步枪或手枪中发射出来的金属射弹，形状为尖柱体或球状〔spool〕A cylinder of wood, plastic, cardboard, or other material on which wire, thread, or string is wound.线轴：用木头、塑料、卡纸板或其他材料制成的柱体，线、丝、绳等缠绕其上〔cylindrical〕Of, relating to, or having the shape of a cylinder, especially of a circular cylinder.圆柱形的，圆筒状的：圆筒状的，与圆柱形有关的，或具有圆柱体形状的，特别是圆形的柱体〔prism〕A transparent body of this form, often of glass and usually with triangular ends, used for separating white light passed through it into a spectrum or for reflecting beams of light.棱镜：这种形状的透明体，多为玻璃制成，通常两端为三角形，用来分解穿过柱体的白光，使光束发生色散或用来反射光线〔cylindroid〕A cylindrical surface or solid all of whose sections perpendicular to the elements are elliptical.椭圆柱：与组成要素垂直的所有圆柱形表面或柱体的部分是椭圆形的柱体 |
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