1
the core of [something]
The core of the problem is a lack of communication.
问题的核心是缺乏沟通。
核心；精髓；本质
先理解核心含义，再看它在真实句子里的用法。
核心；精髓；本质
the central or most important part of something; the essence
The core of the problem is a lack of communication.
问题的核心是缺乏沟通。
通常使用中,被其他重要事物包围的事物的核心部分
In general usage, an essential part of a thing surrounded by other essential things.
矿工的地下工作时间或班次
A miner's underground working time or shift.
购买重建部件时支付的押金,退还可重建的旧部件时返还,或指退还的可重建部件本身
A deposit paid by the purchaser of a rebuilt part, to be refunded on return of a used, rebuildable part, or the returned rebuildable part itself.
一小群不可或缺的人或事物
a small group of indispensable persons or things
The core of the team is made up of five engineers.
这个团队的核心由五名工程师组成。
AI contextual example
He removed the core of the apple before eating it.
他在吃苹果前先去掉了苹果核。
AI contextual example
Scientists study the Earth's core to understand its magnetic field.
科学家研究地核以了解其磁场。
AI contextual example
five periodicals make up the core of their publishing program
五种期刊构成了他们出版计划的核心。
WordNet
The core of the problem is a lack of communication.
问题的核心是缺乏沟通。
Trust is at the core of any strong relationship.
信任是任何牢固关系的核心。
core 作定语表示‘核心的、主要的’
These are our core values.
这些是我们的核心价值观。
Not this
Core of the issue is trust.
Use this
The core of the issue is trust.
错误：可数名词 "core" 前缺少定冠词。中文常省略冠词，但英语中当核心特指时，应用定冠词 "the"。
Not this
The cores of the problem are lack of funding.
Use this
The core of the problem is lack of funding.
错误：抽象意义上的核心应用单数 "core"。尽管 "core" 是可数名词，但表达“问题的核心”时，核心是单一概念，不应使用复数 "cores"。动词也应随之改为单数形式。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
核心价值观
The company's core values guide all its decisions.
公司的核心价值观指导其所有决策。
核心业务
They decided to focus on their core business.
他们决定专注于核心业务。
核心团队
The core team consists of five experienced engineers.
核心团队由五位经验丰富的工程师组成。
核心课程
All students must complete the core curriculum.
所有学生必须完成核心课程。
彻底地，完全地
The scandal shook the organization to its core.
这桩丑闻彻底动摇了该组织。
问题的核心
We need to get to the core of the matter to find a solution.
我们需要触及问题的核心才能找到解决方案。
核心成员；中坚力量
The hard core of the group meets every week.
该团体的核心成员每周都见面。
我们要去地核。
In the movie 'The Core' (2003), Dr. Josh Keyes says this as the team prepares to drill to the Earth's center.
在电影《地心抢险》（2003）中，乔什·凯斯博士在团队准备钻探到地心时说了这句话。
Use core naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
苹果的果核（core）位于中心，所以core意为核心。
“core”作名词表示“核心，要点”时，语域中性偏正式，常见于学术、技术或一般讨论中。通常用于描述事物的最关键部分。
核心，可数名词，常与of连用表示…的核心。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.