bone marrow
US /ˈboʊn ˌmer.oʊ/
UK /ˈboʊn ˌmer.oʊ/
1.
骨髓
a soft fatty substance in the cavities of bones, in which blood cells are produced
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The doctor explained that bone marrow is essential for producing blood cells.
医生解释说，骨髓对于产生血细胞至关重要。
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A bone marrow transplant can save lives for patients with certain blood disorders.
骨髓移植可以挽救某些血液疾病患者的生命。