单词	jackscrew
释义	jack·screw (jăkskr′) n. A jack operated by a screw. Also called screw jack.
随便看	red oak red ocher redolence redolency redolent redolently Redon Redondo Beach redone red osier redouble redoubt redoubtable redoubtably redound redout redox red panda red-pencil red pepper red pine red poll redpoll redress redresser

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