单词	brachistochrone
释义	brachistochrone noun bra·​chis·​to·​chrone braˈkistəˌkrōn, brəˈ- plural -s : a curve in which a body starting from a point and acted on by an external force will reach another point in a shorter time than by any other path brachistochronic ⸗¦⸗⸗¦kränik adjective Word History Etymology French, from Greek brachistos shortest + chronos time
随便看	fgn fgt FHA fhas fhlmcs fi fi fa FIA fiacre fiacres fiador fiancees fiances fianchetto fianchettoed fianchettoes fianchettoing fianchettos fiancé fiancée fiancées fiancés Fianna fiants fiar

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