sweet fern

1. Summertime, oh summertime, pattern of life indelible, the fade proof lake, the woods unshatterable, the pasture with the sweet fern and the juniper forever and ever, summer without end;
   夏天，哦，夏天，难以改变的生活方式，永不退色的湖，不会消失的树林，长着香蕨木和刺柏的草场永远不变，无尽的夏日。

noun

1. deciduous shrub of eastern North America with sweet scented fernlike leaves and tiny white flowers

   Synonym:    Comptonia peregrinaComptonia asplenifolia

2. mat-forming lithophytic or terrestrial fern with creeping rootstocks and large pinnatifid fronds found throughout North America and Europe and Africa and east Asia

   Synonym:    common polypodyadder's fernwall ferngolden maidenhairgolden polypodyPolypodium vulgare