单词	screw jack
释义	screw jack noun : a screw-operated jack for lifting, exerting pressure, or adjusting position (as of a machine part) Word History First Known Use 1719, in the meaning defined above
随便看	noncaste noncasual noncausal nonce nonce word noncelebration noncelebrations noncelebrities noncelebrity noncellular noncellulosic noncentral noncentric noncertified nonces nonchalance nonchalances nonchalant nonchalantly nonchalantness noncharacter noncharacters aediles aedileships aedility

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