单词	sems
释义	sems noun ˈsemz plural sems : a fastener assembly consisting of a screw with a washer put on before the threading is cut Word History Etymology probably from sem (short for assembly) + -s
随便看	riskiness riskinesses risking riskless risklessnesses risks risky risky business risky move Risley act rism risoluto risorgimenti risorgimento risorgimentos risotto risottos risp risped risperidone shy away from shy bladder shy bladder syndrome shy from shy from or away from

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