disc
(also esp US disk), n
1 flat thin round plate, eg a coin 扁平的圓盤狀物(如硬幣)
2 small flat object of any shape 小的扁平物體
He wears an identity disc round his neck. 他脖子上掛著身分牌兒.
3 round surface that appears to be flat 似扁平的圓面: the moon's disc 月輪.
4 = record1 3: recordings on disc and cassette 唱片和盒式磁帶上的錄音.
5 (anatomy 解) layer of cartilage between the bones of the spine 椎骨間的軟骨層; 椎間盤
a slipped disc, ie one that is slightly dislocated 突出的椎間盤(即輕微錯位).