1. | 视力的;视觉的;光学的connected with the sense of sight or the relationship between light and sight |
optical effects 视觉效果 |
2. | 有助于视力的;光学的used to help you see sth more clearly |
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. | 光读取的;光存储的using light for reading or storing information |
optical storage 光存储器 | |
an optical disk 光盘 |