| 单词 | optical prism |
| 释义 | optical prism (extremely rare) n WORD FAMILY optical prism n optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image Syn|Hypo|Hyper prism erecting prism a right-angled optical prism used to turn an inverted image upright optical device a device for producing or controlling light |
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