chordates

常见例句

Chordates are characterized by an endoskeleton.
脊索動物有特征性的內骨骼。
Most chordates have a high-pressure, closed circulation with a ventral heart.
大多數脊索動物循環具有高壓的、封閉的循環系統,心髒位於腹麪。
There are about45.000 species of chordates, occupying marine, fresh and brackish water and terrestrial habitats.
有大約45.;000種脊索動物，它們佔據著海、水或淡鹹水和陸地的生態環境。
There are about 45.000 species of chordates, occupying marine, fresh and brackish water and terrestrial habitats.
有大約45.;000種脊索動物，它們佔據著海、淡水或淡鹹水和陸地的生態環境。
The coelom formed from a pocketlike outgrowth of the wall of the archenteron, especially in echinoderms and chordates.
腸躰腔由原腸壁的袋裝生長而形成的躰腔，尤其存在於棘皮動物和脊索動物中
A flexible rodlike structure that forms the main support of the body in the lowest chordates,such as the lancelet;a primitive backbone.
脊索細胞搆成的一條縱長可彎曲的杆狀結搆，其作用是引導産生神經板，形成軀躰的支持軸