optics
柯林斯词典
1. N-UNCOUNT Optics is the branch of science concerned with vision, sight, and light. 光学→see also fibre optics
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optics /ˈɒptɪks/
剑桥词典
optics noun [U] (LIGHT)
the study of light and of instruments using light
光学 返回 optics
the study of light and of instruments using light
光学 返回 optics