基本解释[医药科学]胸骨胸骨英汉例句双语例句As we age this gradually diminishes to just the bones of the spine (vertebrae), breastbone (sternum), ribs, pelvis and small parts of the upper arm and leg.随着年龄的增长，脊椎, 胸骨, 肋骨,骨盆以及四肢的骨骼都会缩小.breastbone sternum更多例句专业释义医药科学胸骨胸骨