nucleus

英 [ˈnjuːkliəs]

美 [ˈnuːkliəs]

n.  核; 原子核; 细胞核; 核心; 中心

复数：nuclei　

CET4CET6考研TOEFLIELTSGRETEM4TEM8计算机

Collins.1 / BNC.5854 / COCA.6944

牛津词典

noun

• 核；原子核
  the part of an atom that contains most of its mass and that carries a positive electric charge
• 细胞核
  the central part of some cells, containing the genetic material
• 核心；中心
  the central part of sth around which other parts are located or collected
  1. These paintings will form the nucleus of a new collection.
     这些画将构成新的收藏系列的基础。

柯林斯词典

• N-COUNT (原子)核
  Thenucleusof an atom or cell is the central part of it.
  1. Neutrons and protons are bound together in the nucleus of an atom.
     在原子核里，中子和质子是结合在一起的。
• N-COUNT (组织的)核心，中心
  The nucleus ofa group of people or things is the small number of members which form the most important part of the group.
  1. The Civic Movement could be the nucleus of a centrist party of the future.
     公民运动的成员可能会成为未来中间派政党的核心。

英英释义

noun

• the central structure of the lens that is surrounded by the cortex
  Synonym:lens nucleus
• a part of the cell containing DNA and RNA and responsible for growth and reproduction
  Synonym:cell nucleuskaryon
• any histologically identifiable mass of neural cell bodies in the brain or spinal cord
• a small group of indispensable persons or things
  1. five periodicals make up the core of their publishing program
  Synonym:corecore group
• the positively charged dense center of an atom
• (astronomy) the center of the head of a comet

双语例句

• The electron's high probability zone formed spiral standing waves around the carbon atom's nucleus.
  电子的高概率区域形成了碳原子核周围螺旋驻波。
• The other male gamete fuses with the secondary nucleus, forming the primary endosperm nucleus.
  另一个雄配子和次生核结合形成初生胚乳核。
• Results EGR1 mRNA and EGR1 protein positive signals were brown in colour and located in the cytoplasm and nucleus.
  结果egr-1mrna和egr-1蛋白阳性信号呈棕褐色，位于细胞浆和细胞核。
• We have an orbiting electron but a stationary nucleus.
  我们有一个在轨运行的电子和一个静止原子核。
• The sum of the number of neutrons and protons in an atomic nucleus.
  原子核中中子和质子数之和。
• The study of denominal verbs are on two levels: the lexical level and the nucleus level.
  名词动用有在词汇层面上的研究和在动核层面上的研究。
• Objective To observe the expression of MMP-1and TIMP-1 in nucleus pulposus cells of intervertebral disc degeneration.
  目的测定MMP-1及TIMP-1在人退变椎间盘髓核中的表达，探讨其在人椎间盘退变发生、发展中的作用。
• A pair of nucleus gene and cytoplasm gene take common effects on A2 – CMS.
  A2型不育性是由一对细胞核基因和细胞质基因共同作用。
• The entire process of cell division including division of the nucleus and the cytoplasm.
  有丝分裂过程包含细胞核和细胞质分裂的整个细胞分裂过程。
• The Verve operating system consists of a nucleus, a kernel and one or more applications.
  Verve操作系统由内核（nucleus）、核心（kernel）和一个或多个应用程序组成。