nucleus

英 [ˈnjuːkliəs]

美 [ˈnuːkliəs]

n. 核; 原子核; 细胞核; 核心; 中心

复数：nuclei　

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。

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。

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

The repulsive force within the nucleus is enormous.
核子内部的斥力是巨大的。
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。
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。
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。
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。
This is the lithium nucleus plus electron.
这是锂原子核加上一个电子。
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 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。
A neutron is simply a neutral particle in the nucleus of an atom.
中子就是原子核里不带电的粒子。
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。