单词 | optical |
释义 | op·ti·cal (ŏptĭ-kəl) adj. 1. Of or relating to sight; visual: an optical defect. 2. Designed to assist sight: optical instruments. 3. Of or relating to optics. 4. Relating to or using visible light: optical astronomy. 5. Using light-sensitive devices. opti·cal·ly adv. |
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