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	saxifragaceous saxifragae saxifragas saxifrage saxifrage family saxifrage pink saxifrages saxifragous saxifrax saxigenous saxitoxin saxitoxins saxo gram Saxo Grammaticus Saxon Saxon blue Saxon wheel saxoner saxonest Saxonian Saxonic saxonies saxonise saxonised saxonises

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