| 单词 | θ64876 |
| 释义 | the world > physical sensation > sight and vision > optical instruments > instruments for measuring > [noun] (22) Subcategories:— light or radiation (15) — distant objects (1) — focal length (2) — power of telescopes (2) — graticule (2) |
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英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。