Word · CEFR B1 · Frequency #596
Fully loadedtheory
理论；学说
核心释义
A set of ideas or a systematic explanation intended to describe or account for something, especially one based on general principles.
- 1.
被认为准确描述事件或系统的说明
A description of an event or system that is considered to be accurate.
- 2.
对自然界某方面的充分证实的解释；在多种情况下适用的公认知识体系,用于解释特定现象集
a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena
- 3.
解释观察现象并正确预测新现象的系统性观念；经观察、实验证实的假设
A coherent statement or set of ideas that explains observed facts or phenomena and correctly predicts new facts or phenomena not previously observed, or which sets out the laws and principles of something known or observed; a hypothesis confirmed by observation, experiment etc.
- 4.
对自然界的初步见解；尚未验证但若为真则可解释某些事实或现象的概念
a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena
- 5.
某技艺、艺术等的原理或方法,相对于实践
The underlying principles or methods of a given technical skill, art etc., as opposed to its practice.
推测；猜想；看法；原理；基础理论；学科；公理体系；理论系统；（棋类等游戏的）定式；开局理论；被认为准确描述事件或系统的说明
用法In use
The teacher explained the theory of gravity to the class.
用法提示：theory 是名词，表示解释自然现象的系统学说。
My friend has a theory about why the bus is always late.
用法提示：此处 theory 为名词，指一种个人的推测或看法。
The theory explains how the economy grows over time.
用法提示：theory 是名词，指一套系统的解释框架。
theories can incorporate facts and laws and tested hypotheses
true in fact and theory
a scientific hypothesis that survives experimental testing becomes a scientific theory
相关词与表达Connections
搭配Collocations
- scientific theory
- 科学理论
- The scientific theory was supported by extensive evidence.这一科学理论得到了大量证据的支持。
- theory of evolution
- 进化论
- Darwin's theory of evolution revolutionized biology.达尔文的进化论彻底改变了生物学。
- economic theory
- 经济理论
- Keynesian economic theory influenced government policies.凯恩斯经济理论影响了政府政策。
- in theory
- 理论上
- In theory, this plan should work, but we need to test it.理论上，这个计划应该可行，但我们需要测试一下。
- political theory
学习提示Learner notes
记忆技巧Memory Tip
theory 可拆为 the + ory，联想‘这个理论就像个故事（ory）’。
语境与语域Context & Register
多用于学术或科学语境，指经过验证的理论体系；在日常对话中也可表示未证实的想法，正式程度随语境变化。
发音与拼写Pronunciation & Spelling
These words share the spelling ending 'ory', but their stressed vowels differ from theory's /iː/. None are perfect rhymes. The final syllables vary: /əri/ vs /ɔːri/, /mɛməri/, /hɪstəri/, /fæktəri/, /vɪktəri/.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 4，建议结合例句记忆，而不是只背中文释义。
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Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.