disk

Compared meaning: a flat round object (noun).

比较义项：圆盘（名词）。

• disc

  Used for optical or flat physical media such as CDs and DVDs, especially in fixed phrases like 'compact disc' and 'disc player'; more common in British English and for objects you can see and handle.

  用于光学介质或扁平实体物品，如光盘、影碟，常见于固定搭配“光盘”（compact disc）和“光盘播放器”（disc player）；英式英语中更常用，也指可看见、可触摸的圆形物体。

  She slid the disc into the player to watch the movie.

  她把光盘放进播放器里看电影。

• disk 本词

  Used for computer data storage, both magnetic and electronic, as in 'hard disk', 'floppy disk' and 'external disk'; the standard spelling in American English and throughout computing contexts.

  用于计算机数据存储，既包括磁性存储也包括电子存储，如“硬盘”“软盘”“外置磁盘”；是美式英语及整个计算机领域中的标准拼写。

  She saved the report on an external disk before leaving.

  她在离开前把报告保存到了一个外置磁盘上。

Disc and disk both mean a flat, round shape. Disc is common for optical media like CDs and DVDs, more typical in British English. Disk is common for computer storage like hard disks and floppy disks, the standard spelling in American computing.

disc 和 disk 都表示“圆盘”，但常见语境不同：disc 多用于光学介质，如光盘、影碟，也可泛指可看见、可触摸的扁平圆形物体；disk 多用于计算机存储设备，如硬盘、软盘，是美式英语及计算机领域中的标准拼写。