基本解释[毉葯科學]胸骨胸骨英汉例句雙語例句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.隨著年齡的增長，脊椎, 胸骨, 肋骨,骨盆以及四肢的骨骼都會縮小.breastbone sternum更多例句专业释义毉葯科學胸骨胸骨