ferns英式朗读美式朗读基本解释n. 蕨类;蕨类植物(fern的复数形式)英文释义n any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores词形变化原形fern上一个单词:fernling下一个单词:fernstrom