chordates

常见例句

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
A flexible rodlike structure that forms the main support of the body in the lowest chordates,such as the lancelet;a primitive backbone.
脊索细胞构成的一条纵长可弯曲的杆状结构，其作用是引导产生神经板，形成躯体的支持轴