酷兔词典首页

nucleus

美音:[´nu:klıəs ]点这儿播放单词美音发声
英音:[´nu:klıəs ]点这儿播放单词英音发声
[nuclear的复数,见nuclear]; n.核子

难易程度:

nucleus为六级词汇   词频:5637

词形变化:

名词复数:nuclei

近义词, 同义词

相关词

core  focus  heart  hub  kernel  middle    

nucleus


/'nju:klɪəs; [US] 'nu:-; `nuklɪəs/
n (pl nuclei /-klIaI; -klI9aI/)
1 central part, around which other parts are grouped or collected 中心; 核心
*The fortress was the nucleus of the ancient city. 这城堡是这座古城的中心.
* These paintings will form the nucleus of a new collection, ie Others will be added to them. 这些画将构成新的收藏品的主要部分(还将增加其他收藏品).
2 (a) (physics物) central part of an atom, consisting of protons and neutrons 核, 原子核(包括质子和中子).
(b) (biology 生) central part of a living cell 细胞核.

nucleus


npluralnuclei [-kliaɪ/
1. The fortress was the nucleus of the ancient city.
    这城堡是这座古城的中心.

2. The cloning method used by Wilmut's lab requires combining an egg cell with the nucleus of a cell containing the DNA of the person to be cloned.
    威尔莫特实验室使用的克隆方法要求将一个卵细胞和一个含有被克隆人的DNA的细胞核相结合。

3. And that means that the nucleus must be intact.
    这就意味着细胞核必须保持完整。

4. Cells die and the cell nucleus begins to break apart after death.
    而人死之后,细胞死亡,细胞核就开始分裂。

更多句子>>>