noun 下载 🔗分享 股骨,大腿骨 The bone that extends from the pelvis to the knee in humans; the femur. Examples : "The doctor explained that a broken thighbone can take a long time to heal because it's the largest bone in the body. " 医生解释说,股骨,也就是大腿骨,断裂后需要很长时间才能痊愈,因为它全身最大的骨头。 anatomy body physiology organ medicine human part 与AI对话词汇游戏阅读练习