复数
stiff leathery-leaved fern of western North America having ovate fronds parted to the midrib
同义词：leathery polypody??/??coast polypody??/??Polypodium scouleri
north temperate bog shrub with evergreen leathery leaves and small white cylindrical flowers
同义词：Chamaedaphne calyculata
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。