红骨髓 Traditional 紅骨髓 hóng gǔ suǐ 🔊 red bone marrow; hematopoietic marrow + Keep this word Meanings hóng gǔ suǐ 紅骨髓 red bone marrow; hematopoietic marrow Its characters 红hóngredHSK 5骨gǔbone髓suǐbone marrow; (fig.) innermost part