optical disk
参考词典中optical disk的常规释义：
基本释义
- 光盘，光学视面
英英解释
1个名词解释
- a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface
[同] optical disc, optical disk
点击查看……- a disk coated with plastic that can store digital data as tiny pits etched in the surface; is read with a laser that scans the surface
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