单词	American shield fern
释义	American shield fern noun : a woodland fern (Dryopteris spinulosa intermedia) of eastern North America with pinnae bearing glandular hairs Word History First Known Use 1866, in the meaning defined above
随便看	ptilopod ptiloses ptilosis Ptilota ptinid Ptinidae Ptinus ptisan ptisans PTM PTO Ptolemaic Ptolemaic system Ptolemaism Ptolemaist ptolemaists ptolemaïs Ptolemaïs ptolemies Ptolemy ptomaine ptomaine poisoning ptomaines ptomains ptomatine

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