| 释义 | 
		gray mattern.(名词)- Brownish-gray nerve tissue, especially of the brain and spinal cord, composed of nerve cell bodies and their dendrites and some supportive tissue.灰质:浅棕灰色的神经组织,尤指脑和脊髓的灰质, 由神经细胞和其树突及一些相关支持组织组成
 
 - Informal Brains; intellect.【非正式用语】  脑;智力,思维能力
 
 
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