1.铁树目裸子植物
1.a tropical tree that has a thick trunk, sharp-pointed leaves like palm leaves, and cones.
1.No more than sperm flagella , but in cycads and ginkgo head of the sperm head is still swimming.
精子多不具鞭毛，但在苏铁目和银杏目仍具游动的精子。
2.Late Permian a ginkgo, cycads, the cycads, conifers and other gymnosperms , the show began with the appearance of health.
晚二叠世出现了银杏、苏铁、本内苏铁、松柏类等裸子植物，开始呈现中生带的面貌。
3.genus of large evergreen Australian cycads; sometimes classified in family Cycadaceae.
一种大的常绿澳大利亚苏铁；有时被放入苏铁科。
4.Jurassic Park still shimmers in part of Madagascar, and the center of Brazil. The plants called cycads remain rock hard.
侏罗纪公园仍然闪烁着生命的光芒在马达加斯加局部和巴西的中心。
5.The dominant vegetation on land in the early Cretaceous was forests of cycads, conifers, gingkgoes and ferns.
在白垩纪早期陆地上占统治地位的植被是苏铁，针叶树，银杏和蕨类。
6.Jurassic in the plant community, gymnosperm in the category of cycads , conifers and ginkgo category.
在侏罗纪的植物群落中，裸子植物中的苏铁类，松柏类和银杏类。
7.Cycads and ginkgo have motile sperm, unlike gnetophytes and conifers, which produce pollen.
苏铁和银杏具活动精子可区别于买麻藤和松柏类，它们不产生花粉。
8.The plants called cycads remain rock hard. Forests arose and nurtured things with wings.
而苏铁依然顽强的存活到今天森林产生并孕育出生有双翼的东西。
9.And now, the cycads revoluta is in the small garden, cause it likes the warm sun bath.
现在铁树被挪到了园子里。可能因为它喜欢日光浴吧。
10.In comparing the dry zone, growth of cycads and fern class category, a vast evergreen fields.
在比较干燥的地带，生长着苏铁类和羊齿类，形成广阔常绿的原野。