名詞 nucleus:

1. a part of the cell containing DNA and RNA and responsible for growth and reproduction
   同義詞：nucleus, cell nucleus, karyon
2. the positively charged dense center of an atom
   同義詞：nucleus
3. a small group of indispensable persons or things
   同義詞：core, nucleus, core group
4. (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
   同義詞：nucleus
5. any histologically identifiable mass of neural cell bodies in the brain or spinal cord
   同義詞：nucleus

1. The colorless, liquid component of the cell nucleus.
   細(xì)胞核液細(xì)胞核中無色的液體成分
2. The nutritive tissue that is derived from the nucleus and surrounds the embryo of the seed.
   外胚乳包在種子胚芽外，產(chǎn)生于細(xì)胞核的營養(yǎng)性組織
3. These 1000 books will form the nucleus of the new school library.
   這一千本書將構(gòu)成學(xué)校新圖書館藏書的基礎(chǔ)。