core/kɔr; kɔː/n [C] 1 the hard central part of an apple or PEAR 〔苹果或梨的〕果心see picture at见 FRUIT 图2 the most important or central part of something〔事物的〕核心﹐最重要部分: +of Money is at the core of the problem. 钱是问题的核心。core beliefs/subjects/skills etc Students have to study five core subjects. 学生必须修五门基础科目。3 to the core completely or extremely 完全地﹔十分地: The news shook me to the core. 这个消息令我大为震惊。4 the central part of the earth or another PLANET 〔地球或其他行星的〕核心﹐中心HARDCORE