单词	defragmenter
释义	defragmenter noun de·​frag·​ment·​er (ˌ)dē-ˈfrag-ˌmen-tər  -mən- : software that defragments a computer disk Word History First Known Use 1986, in the meaning defined above
随便看	additive identity additive inverse additive manufacturing additive primary additively additives additivities additivity additory addle addle-headed addlebrained addled addlepate addlepated addler addles addlest addling addlings addlins addn addnl addorsed addossed

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