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	slownesses slowpoke slowpokes slows slows (down or up) slows (down) slows down slows down or up slowworm slowworms sloyd sloyd knife sloyds SLP SLR slsmgr slsmn slt slub slub yarn slubbed slubber slubberdegullion slubbered slubbering

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