intervertebral disc椎间盘
compact disc光碟机,激光唱片
1.Think of these discs as being file cabinet holograms — really big ones.
想像一下,这些可以充当文件柜的全息光盘——那容量可是相当大啊!
3.How is now working on recoding device that will take the industry beyond compact discs.
现在如何操作录音设备将引领光盘之外的工业。