| 释义 |
nucleus/ˈnju:kliəs/n. (pl. nuclei /-liai/) 1a the central part or thing round which others are collected 中心 b the kernel of an aggregate or mass 核心 2 an initial part meant to receive additions 起点；开始 3 Astron. the solid part of a comet's head 【天】(彗星头部的)彗核 4 Physics the positively charged central core of an atom that contains most of its mass 【物理学】原子核 5 Biol. a large dense organelle in a eukaryotic cell, containing the genetic material 【生】细胞核 6 a discrete mass of grey matter in the central nervous system 神经核 [Latin, = kernel, inner part, diminutive of nux nucis ‘nut’] |