disc jockey/disk jockey 
圆盘 ☊ → 唱片 ☊ → 磁盘 ☊ → 
disk 
đĩa like: disk → →
hard disk drive ☊ 
ổ đĩa cứng ☊ a hard disk storage capacity of 500 gigabytes ☊ capacity ☊
You should make a copy of the disk as a backup. ☊ copy ☊
The hard disk is dead. ☊ dead ☊
Red blood cells are roughly the shape of a disk. ☊ disk ☊
Every file on the same disk must have a different name. ☊ file ☊
permit sth: The password permits access to all files on the hard disk. ☊ permit ☊
How much disk space will it take up? (= on a computer) ☊ space ☊
The virus in the software was programmed to corrupt the hard disk. ☊ virus ☊