ferns的翻译，读音
释义：
n. 蕨类；蕨类植物（fern的复数形式）
n any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
n any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores