◙ noun 1. the tough central part of various fruits, containing the seeds • 果核 »an apple core. 苹果核。 2. the central or most important part of something, in particular • 核心部分；最重要部分，尤指 [often as modifier] the part of something that is central to its existence or character • 关系存亡的；根本的 »managers can concentrate on their core activities. 管理人员可集中精力于最重要的活动。 »the plan has the interests of children as its core. 计划以孩子们的兴趣为核心。 an important or unchanging group of people forming the central part of a larger body • （大的团体中的）重要人物；（不变的）中心人物 the dense central region of a planet, especially the nickel–iron inner part of the earth • （天体的，尤指地球的）核，中心 the central part of a nuclear reactor, which contains the fissile material • （含裂变物质的核反应堆的）中心 a tiny ring of magnetic material used in a computer memory to store one bit of data, now superseded by semiconductor memories • 磁心存储器；内存储器 the inner strand of an electric cable or rope • （电缆或电线的）芯线 a piece of soft iron forming the centre of an electromagnet or an induction coil • （形成电磁铁或感应线圈的）铁芯 an internal mould filling a space to be left hollow in a casting • （铸造用的）型心；砂芯 a cylindrical sample of rock, ice, or other material obtained by boring with a hollow drill • （岩石、冰及其他材料的）钻芯样品 [Archaeology] a piece of flint from which flakes or blades have been removed • [考古] 石核 ◙ verb 1. [with obj.] remove the tough central part and seeds from (a fruit) • 挖去…的果心 »peel and core the pears. 将梨削皮去核。
【IDIOMS】
◘ to the core 1. to the depths of one's being • 直至核心的；彻底的 »she was shaken to the core by his words. 她被他的话彻底动摇了。 used to indicate that someone possesses a characteristic to a very high degree • 地道的；十足的；彻底的 »he is a politician to the core. 他是个十足的政客。