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

• 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。
• Many people believe that the family is the nucleus of the community.
  许多人认为家庭是社会的核心。
• 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。
• 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。
• A rudimentary description of a nucleus consists in specifying the number of protons and neutrons it contains.
  对某个原子核的初步描述，在于确定它所含的质子和中子的数目。
• The two sperm nuclei and the tube nucleus are all derived from a single microspore nucleus by mitosis.
  两个精核和管核都是从同一个小孢子核有丝分裂产生的。
• Chinese culture is the parent and nucleus of Taiwan culture.
  台湾文化的母体和核心是中华文化。
• 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。