noun🔗Share腰椎下陷，塌腰 An excessive sagging of the spine of a quadruped animal, especially a horse."The old horse developed a noticeable swayback as he aged, making his back dip down in the middle. "那匹老马年纪大了，背部变得腰椎下陷，非常明显地塌了腰。animalanatomybodyphysiologyChat with AIVocabulary GamePractice Reading
noun🔗Share塌腰， 弓背 An animal with such excessive sagging."The old horse had a noticeable swayback, making it difficult for him to carry heavy loads. "那匹老马塌腰很明显，背部都弓起来了，这使它难以承载重物。animalbodyanatomyChat with AIVocabulary GamePractice Reading
