ph.
- 腦部和脊椎的灰色神經組織
- 【口】頭腦，智力
辨析
同義參見:
brain
grey matter
以上來源於：《英漢大辭典》
n.
- the darker tissue of the brain and spinal cord, consisting mainly of nerve cell bodies and branching dendrites.
- informal intelligence.
以上來源於：《簡明牛津英語詞典》