英汉解释
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【地质】古生代[界]
百科
百科
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与 Paleozoic 相关的例句
与 Paleozoic 相关的例句- extinct aquatic arthropods of the Paleozoic.
已绝迹的古生代水生节肢动物。 - chiefly Paleozoic plants; Cordaites is the chief and typical genus.
古代植物的主要科；柯达属是一个主要的模式属。 - extinct fishlike jawless vertebrate having a heavily armored body; of the Paleozoic.
已经灭绝的长有很重披甲的鱼形无颚动物；古生代的生物。 - heavy-bodied reptile with a dorsal sail or crest; of the late Paleozoic.
有背鳍和头冠、体重的爬行动物；产于晚古生代。 - Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants.
分布于欧洲和加拿大东部的古生代简单的二岐式植物，包含最古老的脉管陆地植物。 - tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers.
一种高大的古生代树木，外表与现代的露兜树相似；结构上介于苏铁和针叶树之间。 - type genus of the Psilophytaceae: genus of small wiry herbaceous Paleozoic plants with underground rhizomes and apical sporangia.
裸蕨科的模式属；古生代植物，为小而坚韧的草木，具地下根状茎和顶生的孢子囊群。 - A Paleozoic microfossil usually having a toothlike shape and considered to be the remains of an extinct marine organism.
牙形刺一种古生代微化石，一般有牙状形体，被认为是一种已灭绝海生生物体的残骸 - large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America.
长着帆形高脊柱的大型原始爬行动物；生活在二叠纪或晚古生代的欧洲和倍美洲。 - Of, belonging to, or designating the geologic time, system of rocks, and sedimentary deposits of the seventh and last period of the Paleozoic Era.
二叠纪的，二叠岩的是、属于或标明为古生代第七个和最后一个阶段的地质时期、岩层及沉积矿藏