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单词 blechnum
释义 blech·num
\-nəm\ noun
Usage: capitalized
Etymology: New Latin, from Latin blachnon, blechnon, a fern, from Greek blēchnon
: a genus of chiefly tropical ferns (family Polypodiaceae) having rather stiff pinnate leaves with the sori linear and parallel to the midvein of the pinnae
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