单词	defragment
释义	defragment verb de·​frag·​ment (ˌ)dē-ˈfrag-mənt  defragmented; defragmenting; defragments transitive verb : to reorganize separated fragments of related data on (a computer disk) into a contiguous arrangement defragmentation (ˌ)dē-ˌfrag-mən-ˈtā-shən  -ˌmen- noun Example Sentences I defragmented my hard drive. Word History First Known Use 1983, in the meaning defined above
随便看	epicoelia epicoeliae epicoelom epicoeloma buy back buy boat buy into buy it buy off buy one's way buy the farm buy time buy up buy-in buy-ins buyback buybacks buyer buyer's market buyer's markets buyer's option buyers Buyid buyides buyids

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