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单词	pump bob
释义	pump bob noun : a bell crank or similar device for converting rotary into reciprocating motion Word History Etymology pump entry 1
随便看	mylae mylantae mylantas Mylar mylars myliobatid Myliobatidae myliobatidaes mylittae mylittas mylo- mylodon mylodons mylodont mylodontidaes mylodontides mylodontids mylodonts mylohyoids mylonisation mylonise mylonite mylonites mylonitic mylonitisation

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