bone
marrow
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→gu3sui3 • gǔsuǐ
bone marrow
marrow
医生 说 他 的 骨髓 有 问题。
The doctor said his bone marrow has a problem.
他 捐献 了 骨髓 给 需要 的 病人。
He donated bone marrow to a patient in need.
骨髓 是 骨头 的 髓。
Bone marrow is the marrow of the bone.