[C](原子)核 the central part of an atom, consisting of protons and neutrons
[C]中心,核心 central part, around which other parts are grouped or collected
英英释义
Noun
a part of the cell containing DNA and RNA and responsible for growth and reproduction
the positively charged dense center of an atom
a small group of indispensable persons or things;
"five periodicals make up the core of their publishing program"
(astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
any histologically identifiable mass of neural cell bodies in the brain or spinal cord
the central structure of the lens that is surrounded by the cortex
例句
用作名词(n.)
A nucleus can have only one Y-chromosome.一个核可以仅有一个Y染色体。
These council will form the nucleus of a future regime.这些委员会将成为一个未来政权的核心。
These paintings will form the nucleus of a new collection.这些油画将是新收藏品的核心。
These 1000 books will form the nucleus of the new school library.这一千本书将构成学校新图书馆藏书的基础。
The most important part of the cell is the nucleus.细胞中最重要的部分是细胞核。
The outermost electron is shielded from the nucleus.原子核对最外层电子的作用受到屏蔽。
