单词	male fern
释义	male fern noun : a fern (Dryopteris filix-mas) producing an oleoresin used in expelling tapeworms Word History First Known Use 1562, in the meaning defined above Medical Definition male fern noun : a fern (Dryopteris filix-mas) of Europe and North America producing an oleoresin that is used in expelling tapeworms see aspidium
随便看	ooscope ooscopy ooses oosome oosorption oosorptive oosperm oosperms oosphere oospheres Oospora oospore oospores oosporiferous oostegite oostegitic oostegopod oostende oot ootheca oothecae oothecal ootid ootids oots

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