单词	ring stand
释义	ring stand noun : a metal stand consisting of a long upright rod attached to a heavy rectangular base that is used with rings and clamps for supporting laboratory apparatus Word History First Known Use circa 1865, in the meaning defined above
随便看	co-infected co-infecting co-infection co-infections co-infects co-invent co-invented co-inventing co-inventor co-inventors co-invest co-invested co-investigator co-investigators co-investing co-investor co-investors co-lead co-leader co-leaders co-leading co-led co-li co-locate co-located

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