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	mortier feeblemindedness feeblemindednesses feebleness feeblenesses feebler feeblest feeblier feebliest feebling feeblish feebly feed feed (on, upon, or off) feed (someone) a line feed (someone) up feed a line feed bag feed bunk feed case feed cutter feed dog feed efficiency feed gauge feed guide

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