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	obliged obligee obligees obligement obligements obliger obligers obliges obliging obligingly obligingness obligingnesses obligistic obligor obligors obliquate obliquation obliquations oblique oblique angle oblique case oblique coordinates oblique drawing oblique fault oblique helicoid

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