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

• 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。
• Objective To study the effect of hypertonic stimulation on the expression of phosphotyrosine in supraoptic nucleus of rat.
  目的研究高渗刺激对大鼠视上核酪氨酸蛋白磷酸化的影响。
• The deuteron can fuse with another proton to make a helium 3 nucleus.
  氘核可以和另一个质子聚合以生成一个氦3核。
• There is a unity of the two opposites, the nucleus and the electrons.
  有原子核和电子两个对立面的统一。
• Objective To know the ultrastructure and function of synapse in mammal's medulla oblongata megacell reticular nucleus.
  目的探讨哺乳动物延髓巨细胞网状核内突触的超微结构及其功能。
• 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。
• The nucleus and cytoplasm of the trophozoite was amaranth and blue respectively.
  滋养体有紫红色的细胞核和蓝色的细胞质。
• The nucleus of light cells were larger than that of dark cells.
  亮细胞和移行细胞的细胞核明显大于暗细胞。
• 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。
• 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。