单词	bombardon
释义	bombardon noun bom·​bar·​don ˈbäm-bər-ˌdōn  bäm-ˈbär-dᵊn  1 : a bass tuba 2 : the bass member of the shawm family Word History Etymology French, from Italian bombardone First Known Use 1824, in the meaning defined at sense 1
随便看	chemistry chemistry set chemists chemitypes chemitypies chemmy Chemnitz chemo chemo brain chemoattractants chemoautotrophic chemoautotrophies chemoautotrophy chemoceptor chemocline chemoclines chemogenic chemogenous chemokine chemokineses chemometrics chemonuclear chemoorganotrophic chemoprevention chemopreventions

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