sword fern
短语肾蕨
词形变化
sword ferns
复数
sword ferns
别名
swordfern
释义与例句
n.
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1.
Any fern in the genus Nephrolepis, typically with long, straight-sided fronds shaped like a two-edged sword, and widely grown as houseplants.
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2.
Some ferns in the genus Polystichum which look like the typical Nephrolepis sword ferns.