单词	ostrich fern
释义	ostrich fern noun : any of a genus (Matteuccia) of temperate-zone ferns especially : a tall fern (M. struthiopteris) with graceful arched fronds which are the source of edible fiddleheads Word History First Known Use 1833, in the meaning defined above
随便看	ous ous acid Ouse ousel ousels Oushak oushaks ousia oust ousted ouster ousters ousting oustitis ousts out out and about out and away out at elbows out at the elbows out for out for blood out for the count out front out guide

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