n.<植>羊齿植物，蕨类植物
Kennicott was cordial to Fern Mulins.
肯尼科特对弗恩马林斯小姐倒是很亲热.
She cast a sidelong glance at Fern.
她瞟了一眼弗恩.
There are many different types of fern, none of which produce flowers.
蕨类植物有许多不同的种类, 无论哪一种都不长花.
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