nucleus
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.
Very strange. It was my first earthquake, you see, and I didn't know what was happening.
很奇怪。那是我第一次经历地震,你瞧,我当时还不知道发生了什么事。
Oh! Well, for that, you'd better find an English pen friend.
哦!那你最好为此找一个英文的笔友。
Perhaps in those days I was. Pierre and I did have a very good time at the ball. But that was the last moment of happiness in our lives. That night everything changed.