noun🔗Share脊柱前凸，腰椎前凸 An excessive backwards curvature of the spine, causing a hollow in the back."The elderly woman's posture showed a noticeable lordosis, making her back appear concave. "那位老妇人的姿势显示出明显的腰椎前凸，使得她的背部看起来凹陷进去。medicinebodyanatomyconditionphysiologyChat with AIVocabulary GamePractice Reading
noun🔗Share脊柱前凸，腰椎前凸 A body posture of some female mammals, indicating receptivity to copulation. It involves lowering of the forelimbs but with the rear limbs extended and hips raised, ventral arching of the spine and a raising, or sideward displacement, of the tail."The dog's lordosis posture, with its lowered front paws and raised hindquarters, clearly signaled her willingness to mate. "那只母狗呈现出脊柱前凸的姿势，前爪放低，后腿抬高， 显然是在发出准备交配的信号。animalphysiologyanatomysexbiologybodyChat with AIVocabulary GamePractice Reading
