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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
      1. 细胞核
        the central part of some cells, containing the genetic material
        1. 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
          1. a part of the cell containing DNA and RNA and responsible for growth and reproduction
              Synonym:cell nucleuskaryon
            1. any histologically identifiable mass of neural cell bodies in the brain or spinal cord
              1. a small group of indispensable persons or things
                1. five periodicals make up the core of their publishing program
                Synonym:corecore group
              2. the positively charged dense center of an atom
                1. (astronomy) the center of the head of a comet

                  双语例句

                  • 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。
                  • 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。
                  • We have a helium nucleus and one electron.
                    我们有一个氦核和一个电子。
                  • 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。
                  • 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 repulsive force within the nucleus is enormous.
                    核子内部的斥力是巨大的。
                  • 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。
                  • A nucleus can have only one y-chromosome.
                    一个核可以仅有一个y染色体。
                  • This is the lithium nucleus plus electron.
                    这是锂原子核加上一个电子。
                  • In this condition, they are sometimes referred to collectively as the chromatin of the nucleus.
                    在这种情况下,人们有时笼统地称它们为核染色质。