单词	thingumbob
释义	thingumbob noun thing·​um·​bob variants or thingumabob ˈthiŋəm(ə)ˌbäb plural -s : something whose specific name or designation has been forgotten or is not known mysterious electrical thingumbobs that go off with a bang Literary Review Word History Etymology irregular from thingum First Known Use 1751, in the meaning defined above
随便看	lithium fluoride lithium hydride lithium niobate lithium perchlorate lithium-ion battery lithiums litho litho purple Lithobiomorpha Lithobius lithocarpi Lithocarpus lithocarpuses lithocarpusses lithochromatics lithochromy lithoclase lithoclasts lithoculture lithocyst lithocysts Lithodes lithodesma lithodesmata lithodid

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