| 单词 | 白光 |
| 释义 | 〔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〔trichroism〕The property possessed by certain minerals of exhibiting three different colors when viewed from three different directions under white lights.三色性：某些矿物质所具有的特性，当放在白光下从三个不同的方向观察，会呈现出三种不同的颜色 |
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