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单词	Atwood's machine
释义	Atwood's machine noun At·​wood's machine ˈat‧ˌwu̇dz- : an apparatus for demonstrating the laws of accelerated motion by means of a light nearly frictionless pulley wheel over which passes a thread having at its ends fairly heavy masses whose slight difference in weight is the cause of the acceleration Word History Etymology after George Atwood †1807 English mathematician, its inventor
随便看	sedation sedations sedative sedative salt sedatives sedens outmoded outmodes outmoding outmost outmoster outmostest outmoved outmoves outmoving outmuscle outmuscled outmuscles outmuscling outnamed outnames outnaming outness outnumber outnumbered

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