HSK7-9
suǐ
bone marrow
骨 Meaning component
gǔ
bone
髓
bone marrow; essences, substances; marrow; essence; quintessence; pith (soft interior of plant stem)
骨髓
bone marrow (medulla ossea)
精髓
marrow
脊髓
spinal cord
脑髓
brain tissue
Make Me a Hanzi
Unicode
Baxter-Sagart
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing