connected with the sense of sight or the relationship between light and sight 視力的;視覺的;光學的 optical effects 視覺效果
used to help you see something more clearly 有助於視力的;光學的 optical aids 助視器 optical instruments such as microscopes and telescopes 顯微鏡和望遠鏡等光學儀器
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computing )計算機 using light for reading or storing information 光讀取的;光存儲的 optical storage 光存儲器 an optical disk/drive/mouse 光盤/驅動器/鼠標