disc S2 W3 ( also disk especially American English ) / dɪsk / 名词 [可数名词]
1 a round flat shape or object :
three keys attached to a metal disc
2 a compact disc
3 a record that you play on a record player
4 British English a computer disk
on disc
The report form is available on disc from Personnel.
5 a flat piece of cartilage between the bones of your back :
He retired early because of a slipped disc (= one that has moved out of its correct place ) .
→ disc brakes , disc jockey , disk drive , laser disk