chordates
基本解释
- 脊睡物,脊睡物门
英汉例句
- Chordates are characterized by an endoskeleton.
脊索动物有特征性的内骨骼。 - Most chordates have a high-pressure, closed circulation with a ventral heart.
大多数脊索动物循环具有高压的、封闭的循环系统,心脏位于腹面。 - There are about45.000 species of chordates, occupying marine, fresh and brackish water and terrestrial habitats.
有大约45.;000种脊索动物，它们占据着海、水或淡咸水和陆地的生态环境。 - There are about 45.000 species of chordates, occupying marine, fresh and brackish water and terrestrial habitats.
有大约45.;000种脊索动物，它们占据着海、淡水或淡咸水和陆地的生态环境。 - The coelom formed from a pocketlike outgrowth of the wall of the archenteron, especially in echinoderms and chordates.
肠体腔由原肠壁的袋装生长而形成的体腔，尤其存在于棘皮动物和脊索动物中