noun🔗Share脊索动物，脊椎动物 A member of the phylum Chordata; numerous animals having a notochord at some stage of their development; in vertebrates this develops into the spine"Humans, like fish, birds, and reptiles, are all classified as chordates because they possess a notochord at some point in their development. "像鱼类、鸟类和爬行动物一样，人类也被归类为脊索动物，因为它们在发育的某个阶段都具有脊索，脊索动物包括所有脊椎动物。animalbiologyorganismanatomyChat with AIVocabulary GamePractice Reading
