adj
7
core curriculum/subjects/skills etc
subjects that have to be studied at a school or college 核心课程/基础科目/基本技能等
8
core business/activities/operations etc
the main business or activities of a company or organization 最主要的业务/活动/行动等
verb
10 to remove the centre from a fruit 去掉〔水果〕的果心 (核 )