单词	fretsaw
释义	fretsaw noun fret·​saw ˈfret-ˌsȯ  : a saw that resembles a coping saw but usually has a deeper frame and is used for cutting curved outlines Word History First Known Use 1865, in the meaning defined above
随便看	ulnarrer ulnarrest ulnars ulnas ulno- ulnocondylar ulo uloborid Uloboridae Uloborus Ulothrix Ulotrichaceae ulotrichaceous Ulotrichales ulotrichan ulotrichoid ulotrichous ulotrichy ulpan ulpanim ulpans Ulpian Ulsan ulster Ulster King of Arms

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