de.frag.mentv.tr.(及物动词)de.frag.ment.ed,de.frag.ment.ing,de.frag.ments To reorganize (a computer file) to eliminate fragmentation.磁盘碎片重组:重新整理(计算机文件)来清除碎片【引伸】defrag.menta.tion【引伸】defrag.mentern.(名词)