fern fә:n
释义
n. 蕨类植物
[医] 蕨类植物
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
复数: ferns
BNC词频排名: 10,197 | 当代语料库词频排名: 8,976