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	gaingivings gaining gaining ground gaining machine gaining on gainings gainless gainlesslier gainlessliest gainlessness gainlier gainliest gainlinesses gainly gainor gains gains ground gains on gainsaid gainsay gainsayer gainsayers gainsaying gainsayings gainsays

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