cd

US /ˌsiːˈdiː/
UK /ˌsiːˈdiː/
"cd" picture
1.

CD, 光碟

a small plastic disc on which music or other digital information is stored, and from which it can be read using a laser

:
I bought a new music CD yesterday.
我昨天買了一張新音樂CD
Do you still listen to music on CDs?
你還在聽CD裡的音樂嗎?