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	nitrobacteres nitrobacteria nitrobacteriaceae nitrobacteriaceaes nitrobacterium nitrobacters nitrobarite nitrobenzene nitrobenzenes nitrocalcite nitrocalcites nitrocellulose nitrocelluloses nitrochloroforms nitrocotta nitrocotton nitrocottons nitroethane nitroform nitrofuran nitrofurans nitrofurantoins nitrogation nitrogelatin nitrogelatine

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