Pteridophyte :any of a division (Pteridophyta) of vascular plants (as a fern) that have roots, stems, and leaves but lack flowers or seeds.是什么意思_Pteridophyte :any of a division (Pteridophyta) of vascular plants (as a fern) that have roots, stems, and leaves but lack flowers or seeds.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句