Disk Defragmenter is a Windows utility that consolidates fragmented files and folders on your computer's hard disk so that each occupies a single space on the disk.

磁盘碎片整理程序是一个实用Windows工具，合并分散在您的计算机的硬盘上的档案和资料夹，使每一个在磁盘上占用一个单独的空间。

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When files are fragmented, the computer must search the hard disk as a file is opened (to piece it back together).

当档案支离破碎时，当文件打开时，计算机必须搜索硬盘上的文件，把碎片收集到一起。

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Your disk is too fragmented.

你的磁盘也被碎片。

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