单词	gastight
释义	gastight adjective gas·​tight ˈgas-ˈtīt  : impervious to gas gastightness noun Word History First Known Use 1831, in the meaning defined above
随便看	Pyrenopeziza pyres pyret- pyrethra pyrethrin pyrethrins pyrethroid pyrethroids pyrethrolone pyrethrum pyrethrum yellow pyrethrums pyretic pyreticcer pyreticcest pyreticer pyreticest pyretics pyreto- pyretogenic pyretogenous Pyrex pyrexes pyrexia pyrexial

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