中核

中核 - English Dictionary

[ noun ]
■ the object upon which interest and attention focuses
e.g.)
・his stories made him the center of the party
→ center , center of attention , centre , centre of attention

[ noun ]
■ the choicest or most essential or most vital part of some idea or experience
e.g.)
・the gist of the prosecutor's argument
・the heart and soul of the Republican Party
・the nub of the story
→ center , centre , core , essence , gist , heart , heart and soul , inwardness , kernel , marrow , meat , nitty-gritty , nub , pith , substance , sum

[ noun ]
■ a small group of indispensable persons or things
e.g.)
・five periodicals make up the core of their publishing program
→ core , core group , nucleus