theory

英 ['θɪəri] 美 ['θɪri]

• n. 学说；理论；原理；意见

双解释义

n. (名词)

1. [C]学说

   a reasonable or scientifically acceptable explanation for a fact or event

2. [U]理论,原理

   general principles and knowledge as opposed to practical methods or skills

3. [C]意见,看法

   opinion or supposition, not necessarily based on reasoning

详尽释义

n. 名词

1. 理论
2. 推测
3. 学说
4. 原理
5. 意见
6. 论说
7. 学理
8. 揣度
9. ...论
10. 看法
11. 原则
12. 见解
13. 假说

英英释义

Noun:

1. 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;

   "theories can incorporate facts and laws and tested hypotheses"
   "true in fact and theory"
   

2. a tentative insight into the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena;

   "a scientific hypothesis that survives experimental testing becomes a scientific theory"
   "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
   

3. a belief that can guide behavior;

   "the architect has a theory that more is less"
   "they killed him on the theory that dead men tell no tales"
   

例句

用作名词 (n.)

1. There're many theories about the origin of life.
   关于生命起源的学说有很多。
2. In theory, anything could happen.
   理论上来说,任何事情都会发生。
3. Not everyone can understand Einstein's Theory of Relativity.
   不是每个人都能读懂爱因斯坦的相对论的。
4. In his book, he explained the operating theories of computer in detail.
   在他的书中,他详细阐述了计算机的工作原理。
5. Mary is full of fascinating theories about men and women.
   玛丽对男人和女人充满了迷人的想法。
6. She has a theory that drinking milk prevents cold.
   她有一种说法,认为喝牛奶能防止感冒。

常见句型

用作名词 (n.)

1. There are many theories about the origin of life.
   关于生命起源的学说有很多。
2. Your plan sounds fine in theory.
   你的计划在理论上听起来不错。
3. He was studying music theory.
   他在学习乐理。
4. She has a theory that drinking milk prevents colds.
   她有一种说法,认为喝牛奶能防止感冒。

经典引文

• My aunts and uncle had..no theories about child upbringing.

  出自： Day Lewis

词汇搭配

用作名词 (n.)

动词+～

• accept theory 接受理论
• have a theory 有一种说法

形容词+～

• abstract〔crude〕 theory 抽象〔不成熟〕的理论

介词+～

• in theory 在理论上
• on the theory 根据理论

～+介词

• theory about writing 写作理论
• theory of gravitation 万有引力学说

词源解说

• ☆ 16世纪90年代进入英语，直接源自后期拉丁语的theoria；最初源自古希腊语的theoria，意为沉思，冥想。

近反义词

【近义词】

• hypothesis 假说
• idea 主意
• supposition 假设
• speculation 推测
• explanation 解释
• thought 思想
• judgment 裁判
• attitude 态度
• conception 概念
• view 视野
• inference 推理
• impression 印象
• opinion 意见
• thesis 毕业论文
• sentiment 情绪
• abstraction 抽象
• feeling 感觉
• proposition 提议
• philosophy 哲学
• model 模范
• concept 观念
• system 系统
• scheme 阴谋
• notion 观念
• principle 原理
• belief 信念
• rule 规则
• premise 前提
• conjecture 推测
• presumption 推测
• assumption 假定
• guess 推测
• law 法律
• possibility 可能

【反义词】

• practice 练习