the central and most important part of an object, movement, or group, forming the basis for its activity and growth
核心
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the nucleus of a British film-producing industry .英国电影制作业的核心。
【天文】 (彗星的)核。
【物理】 原子核。
【生】 细胞核。
a discrete mass of grey matter in the central nervous system
神经核。
"early 18th cent.: from Latin, literally ‘kernel, inner part', diminutive of