ferns
释义
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
原型: fern 原型变体: s
BNC词频排名: 0 | 当代语料库词频排名: 0