chordates

常見例句

Chordates are characterized by an endoskeleton.
脊索動(dòng)物有特征性的內(nèi)骨骼。
Most chordates have a high-pressure, closed circulation with a ventral heart.
大多數(shù)脊索動(dòng)物循環(huán)具有高壓的、封閉的循環(huán)系統(tǒng),心臟位于腹面。
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(dòng)物，它們占據(jù)著海、水或淡咸水和陸地的生態(tài)環(huán)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(dòng)物，它們占據(jù)著海、淡水或淡咸水和陸地的生態(tài)環(huán)境。
The coelom formed from a pocketlike outgrowth of the wall of the archenteron, especially in echinoderms and chordates.
腸體腔由原腸壁的袋裝生長(zhǎng)而形成的體腔，尤其存在于棘皮動(dòng)物和脊索動(dòng)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(xì)胞構(gòu)成的一條縱長(zhǎng)可彎曲的桿狀結(jié)構(gòu)，其作用是引導(dǎo)產(chǎn)生神經(jīng)板，形成軀體的支持軸