fern
/fɜːn/noun
(复同单或 ferns)
1- a flowerless plant which has feathery or leafy fronds and reproduces by spores released from the undersides of the fronds. Ferns have a vascular system for the transport of water and nutrients.蕨, 蕨类植物, 羊齿植物。
1.1
- Class Filicopsida, division Pteridophyta.真蕨纲, 蕨类植物门。
派生词
fernery
noun （pl. -ies）ferny
adjective词源
Old English fearn, of West Germanic origin; related to Dutch varen and German Farn.