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| NOUN |
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| /kɔː/ |
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| 1 | the most important or most basic part of something 最重要（或最基本）的部分；核心 |
| +of These 2,500 words form the core of the language. 这2500个单词构成了这门语言的核心。 |
| at the core of sth Financial instability lies at the core of the institute’ s problems. 财务不稳定是该研究所最重要的问题。 |
| | 1a | the members of a group who do the most work or support it most strongly 核心（成员） | | +of Females comprise the core of the monkeys’ social unit. 母猴构成了猴子社会群体的核心。 | |
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| 2 | the part inside an object that is nearest its centre 中心部分 |
| The ball has a core of hard rubber. 这个球有个硬橡胶心。 |
| +of These six countries are the geographical core of Western Europe. 这6个国家处于西欧的地理中心。 |
| | 2a | the central part of a fruit such as an apple , containing the seeds or pips 果心；果核 | |
| | 2b | the central part of a planet （行星的）核，中心 | | the Earth’ s core 地核 | |
| | 2c | the central part of a nuclear reactor （核反应堆的）活性区 | |
| PHRASE |
| - | to the core
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| 1 | used for emphasizing that an aspect of someone’ s character is very strong and will not change 十足地；彻底地 | She’ s a feminist to the core. 她是个十足的女权主义者。 | |
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| 2 | very surprised , upset , or excited by something 大吃一惊/极为震惊/毛骨悚然 |
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