pteridospermsseed ferns種子: seed; semen; germ; grain; st ...蕨類: fern種子蕨: pteridospermatophyta; seed fern種子蕨綱: pteridopermopside; pteridospermopsida種子蕨目: pteridospermae下載手機詞典可隨時隨地查詞查翻譯