基本解釋蘇鐵同根派生 cycads相關(guān)詞英漢例句Genus of small evergreen tropical and subtropocal American cycads.一種小的常綠熱帶和亞熱帶美洲蘇鐵。Cycads and ginkgo have motile sperm, unlike gnetophytes and conifers, which produce pollen.蘇鐵和銀杏具活動(dòng)精子可區(qū)別于買麻藤和松柏類,它們不產(chǎn)生花粉。cycads更多例句