noun🔗Share四足动物，四肢动物 Any vertebrate with four limbs."Dogs, cats, and humans are all examples of tetrapods because they have four limbs. "狗、猫和人类都是四足动物的例子，因为它们都有四条腿。animalbiologyorganismanatomyChat with AIVocabulary GamePractice Reading
noun🔗Share四足动物，四足类 Any vertebrate (such as birds or snakes) that has evolved from early tetrapods; especially any member of the superclass Tetrapoda"The class learned that tetrapods, including amphibians, reptiles, mammals, and birds, all share a common ancestor with four limbs. "课堂上学习到，四足类动物，包括两栖动物、爬行动物、哺乳动物和鸟类，都拥有一个共同的四肢祖先。animalbiologyorganismnaturescienceanatomyChat with AIVocabulary GamePractice Reading
noun🔗Share四脚消波块，四脚混凝土块。 A concrete structure with arms, used to arrest wave energy along the shore in sea defence projects."The beach was protected from erosion by a line of massive tetrapods, interlocking to break the force of the waves. "海滩受到一排巨大的四脚消波块的保护，这些消波块相互交错，消解了海浪的冲击力，防止了侵蚀。architecturenauticalenvironmentmaterialstructureoceanenergygeologyChat with AIVocabulary GamePractice Reading
