connected 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
used to help you see something 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
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computing )计算机 using light for reading or storing information 光读取的;光存储的 optical storage 光存储器 an optical disk/drive/mouse 光盘/驱动器/鼠标