单词：reflected beam
反射束
reflected beam的用法和样例：
例句
- 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
单词：reflected beam 相关文章
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王迈迈英语AB级考试讲解
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