sound recording consisting of a disk with a continuous groove; used to reproduce music by rotating while a phonograph needle tracks in the groove同义词：phonograph record, phonograph recording, record, disk, platter
something with a round shape like a flat circular plate同义词：disk, saucer
(computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored同义词：magnetic disk, magnetic disc, disk
a flat circular plate同义词：disk
例句
The edge of the disc had been machined flat/smooth.圆盘的边缘已用机器磨平[光]。
Have you recorded the data in disc?你已把那些数据存储到磁盘上了吗？
You can't copy your file with this disc; it's full.你不能用这张磁盘拷文件，这张盘满了。