theory

['θiəri]

n.学说, 理论, 原理, 意见

n.

1. 学说; 论说; ……论[C][(+of)][+that]

Darwin spent more than twenty years working on his theory of evolution.

达尔文花了二十余年时间研究他的进化论。

2. 理论; 学理, 原理[U][C]

It seems good in theory, but it doesn't work in practice.

理论上它似乎很不错, 但实际上却行不通。

3. 意见; 推测, 揣度[C][+that]

My theory is that we'll have a cold winter this year.

依我看今年冬天会很冷。

Many scientists accept the theory that the universe is growing larger.

许多科学家接受这样的看法:宇宙在不断增大。

词形变化

名词复数: theories |

词义辨析

同义:

n.原理; 推测

hypothesis  explanation  inference  conception  speculation  supposition  thought  view  judgment  idea  opinion  attitude  impression  

同义参见:

thesis  sentiment  feeling  proposition  abstraction  

反义:

n.学说; 理论

practice  

英英释义

名词 theory:

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

a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena

同义词：hypothesis, possibility

a belief that can guide behavior

补充

theorytheory英:[ˈθiəri] 美:[ˈθiəri, ˈθɪri]n.1.学说There are many theories about the origin of life.关于生命起源的学说有很多。2.理论, 原理Your plan sounds fine in theory.你的计划在理论上听起来不错。3.意见, 看法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。

例句

1. Darwin's theory of evolution达尔文的进化论 2. There was a theory that he wanted to marry her.有一种说法是他想娶她。 3. The students are well-trained in both the theory and practice of statistics.学生们在统计学理论和实践方面都接受了良好的训练。 4. a presidency that is strong in theory but weak in practice一位名强实弱的总统 5. Darwin's theory of evolution.达尔文的进化论。 6. a theory of education.教育理论。 7. [mass noun]music theory.音乐原理。 8. my theory would be that the place has been seriously mismanaged.依我看这个地方的管理十分混乱。 9. in theory, things can only get better; in practice, they may well become a lot worse.理论上情况只会变好，实际上却很可能变得更糟。 10. the theory about how life on earth began关于地球上生命起源的理论 11. political theory政治理论 12. the theory and practice of language teaching语言教学的理论与实践 13. Your plan sounds fine in theory, but I don't know if it'll work in practice.你的计划理论上不错，但我不知道实际上是否可行。 14. a widely accepted scientific theory一个被广泛接受的科学论断 15. Einstein's theory of relativity爱因斯坦的相对论 16. theories on/about evolution进化论 17. according to atomic/economic theory根据原子/经济学说 18. Her method is based on the theory that all children want to learn.她的方法是基于所有孩子都想学的设想。 19. There are a number of different theories about the cause of the disease.关于这种病的起因有很多种猜测。 20. She proposed a theory of her own.她提出了自己的看法。 21. Investigators rejected the theory that the death was accidental.调查人员排除了意外死亡的猜测。 22. There is no evidence to support such a theory.没有证据支持这个假设。 23. He is a specialist in film theory and criticism.他是电影理论和影评专家。 24. music theory乐理 25. "In theory, the reading skills of the students should improve."从理论上讲，学生的阅读技巧应该会有所提高。 26. "I agree with you in theory, but realistically I don't think we have the time to do that."从理论上讲我同意你的看法，但实际上我觉得我们没有时间这么做。