1. She was diagnosed with kyphosis at a young age and had to wear a back brace to correct her posture.
她在年轻的时候被诊断出患有驼背症，并不得不戴着背部支架来纠正姿势。
2. Kyphosis can cause discomfort and pain in the back, making it difficult for individuals to maintain an upright posture.
驼背症可以引起背部的不适和疼痛，使人们难以保持直立的姿势。