单词	riflebird
释义	riflebird noun ri·​fle·​bird ˈrī-fəl-ˌbərd  : any of several birds of paradise (genus Ptiloris) Word History First Known Use 1831, in the meaning defined above
随便看	f-hole f-number F-sharp F-sharp major F-sharp minor f-sharps f-stop f-system f-value F/X F1 layer F2 layer F2F fa fa la FA station fa) FAA faags fab fab fragment faba Fabaceae fabaceaes fabaceous

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