单词	autumn fern
释义	autumn fern noun : a shield fern (Dryopteris erythrosora) native to eastern Asia that is widely cultivated as an ornamental for its triangular, evergreen fronds which are copper-colored when young before turning a glossy, dark green Autumn fern has colorful fronds that emerge copper-colored in spring, then unfurl with a pinkish tinge before turning glossy green in summer. Jan Riggenbach, Daily Herald (Chicago, Illinois), 21 Dec. 2008 called also Japanese shield fern Word History First Known Use 1929, in the meaning defined above
随便看	subprograms subproject subprojects subproletariats subpubescent subpunch subpurlin subquadrangular subquadrate subquality subrace subraces subracial subradius subramose subramous subrange subrational subreader subrecent subreferences subrefraction subregion subregional subregions

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