单词	oak fern
释义	oak fern noun : a widely distributed fern (Thelypteris dryopteris) of the family Polypodiaceae chiefly of damp acid woodlands of boreal and alpine parts of the northern hemisphere that has a slender subterraneous rhizome and delicate solitary triangular fronds Word History Etymology translation of Latin dryopteris
随便看	pornograph pornographer pornographers pornographic pornographically pornographies pornography pornos porns porny poro- Porocephalida poroches porocyte porogamic porogamous porogamy porokaiwhiria poromeric poromerics porometer poronoti poronotuses poronotusses poroplastic

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