常見例句Genus of small evergreen tropical and subtropocal American cycads.一種小的常綠熱帶和亞熱帶美洲囌鉄。Cycads and ginkgo have motile sperm, unlike gnetophytes and conifers, which produce pollen.囌鉄和銀杏具活動精子可區(qū)別於買麻藤和松柏類,它們不産生花粉。 返回 cycads