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1. The bone marrow is where blood cells are produced.
骨髓是血液细胞产生的地点。
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2. The scientist extracted the marrow from the patient's bone.
科学家从病人的骨头中提取了骨髓。
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3. The marrow in the hipbone is rich in nutrients and can be used for medicinalpurposes.
髋骨中的骨髓富含营养,可以用于医疗目的。