[ADJ 形容词]视力的;视觉的;光的;光学的Optical devices, processes, and effects involve or relate to vision, light, or images.
[usu ADJ n]
...optical telescopes.
光学望远镜
...the optical effects of volcanic dust in the stratosphere.
火山灰在平流层造成的视觉效果
Oxford
op·tic·al/ˈɒptɪkl; NAmEˈɑːptɪkl/adjective[usually before noun ]1connected with the sense of sight or the relationship between light and sight 视力的;视觉的;光学的◆optical effects视觉效果2used to help you see sth more clearly 有助于视力的;光学的◆optical aids助视器◆optical instruments such as microscopes and telescopes显微镜和望远镜等光学仪器3( computing 计) using light for reading or storing information 光读取的;光存贮的◆optical storage光存贮器◆an optical disk光盘▶op·tic·al·ly/ˈɒptɪkli; NAmEˈɑːptɪkli/adverbopticalopticalsop·tic·al/ˈɒptɪkl; NAmEˈɑːptɪkl/op·tic·al·ly/ˈɒptɪkli; NAmEˈɑːptɪkli/
LDC
opticalop‧ti‧cal /ˈɒptɪkəl $ ˈɑːp-/ ●○○ adjective
Examples
word sets
Collocations
relating to machines or processes which are concerned with light, images, or the way we see things: microscopes and other optical instruments—optically /-kli/ adverb
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