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	phthiriidaes phthiriuses phthirophagous phthiruses phthirusses phthises phthisic phthisical phthisicky phthisics phthisio- phthisis phthor phthorimaeae phthorimaeas phugoid phugoid chart phugoid curve phugoid oscillation phugoid theory phulkari phulwa butter phulwara butter phut Phuteng

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