单词	Pteridium
释义	Pteridium noun Pte·​rid·​i·​um təˈridēəm, teˈr- : a genus of ferns that are related to and sometimes included in Pteris and that have in addition to the false indusium formed by the frond margin a true indusium on the inner side of the sori see bracken Word History Etymology New Latin, from Pterid-, Pteris + -ium
随便看	time-suck time-sucks time-table time-tested time-trip time-warp time-warped timecards timed timed fire timed-release timeframe timeframes timeful timefully timekeeper timekeepers timekeeping timekeepings timeless timelessly timelessness timelessnesses timelier timeliest

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