单词	tungstate
释义	tungstate noun tung·​state ˈtəŋ-ˌstāt  : a salt or ester of a tungstic acid and especially of H2WO4 Example Sentences Recent Examples on the Web The mine was once used to produce an iron manganese tungstate mineral for craft light bulb filament. Dave Quinn, PEOPLE.com, 25 July 2019 Word History First Known Use 1800, in the meaning defined above
随便看	depth charge depth gauge depth interview depth of compensation depth of definition depth of engagement depth of field depth of focus depth of hold depth of thread depth perception depth psychology depth table depth-sounder depthing tool depthless depthometer depths depurant depurants depurated depurates depurating depurations depuratives

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