名词
中文翻译：胸骨上突起的肋骨
同义词：
['sternum', 'sternum']
例句：
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1.He had a sternum fracture and needed surgery.
他有一个胸骨骨折，需要手术。
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2.The sternum is the bone that supports the heart and lungs.
胸骨是支撑心脏和肺部的骨头。
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3. The patient was lying on his back with his arms above his head.
病人平躺在床上，双手放在头上方。