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单词
optics
释义
op.tics
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n [U]
Optics is the study of light.
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cossie
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cost
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coterminously
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英汉双解词典包含44095条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。
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更新时间:2026/2/17 11:01:25