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.
Mathilde! I've got some wonderful news. We've been invited to the ball at the palace.
玛蒂尔德!我有一个极好的消息。我们被邀请去参加宫庭舞会。
My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.