…的核心
the group of people or things that are the most important part of something
These three players will form the nucleus of a revised and stronger team. 这3名运动员将成为一支调整后实力更强的队伍的核心。
The six remaining trustees will form the nucleus of the new board.
These four musicians joined together, forming the nucleus of the band.
The family is the nucleus of society.
They constitute the nucleus of the new government.
Over the years, various people left but the nucleus of the team remained.
See also: nucleus