Any of several vascular, spore - bearing, aquatic or marsh plants of the genus Isoetes having short rhizomes and quill - like leaves.是什么意思_Any of several vascular, spore - bearing, aquatic or marsh plants of the genus Isoetes having short rhizomes and quill - like leaves.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句