单词	acid-fast
释义	acid-fast adjective ac·​id-fast ˈa-səd-ˌfast  : not easily decolorized by acids Word History First Known Use 1903, in the meaning defined above Medical Definition acid-fast adjective ˈas-əd-ˌfast  : not easily decolorized by acids (as when stained) —used especially of bacteria and tissues
随便看	Gutenberg Guterres Guthrie Guti Gutian Gutierrezia gutierreziae gutierrezias gutis gutless gutlessness gutlessnesses gutnic gutnics Gutnish gutnishes guts guts it out gutsed gutses gutshoot gutshot gutsier gutsiest gutsily

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