Definitions

[1] n. 理论, 学说, 原理, 意见, 推测

[2] [化] 理论

[3] [医] 理论; 学说

[4] [经] 理论学说

[ 'θiərɪ ]

1. In theory, there is no difference between theory and practice. But, in practice, there is.
   理论上说，理论和实践没有区别。但实践上说，是有的。
2. In theory, there is no difference between theory and practice. But, in practice, there is.
   理论上说，理论和实践没有区别。但实践上说，是有的。
3. What do you base your theory on?
   你的理論是以什麼為基礎?
4. I think your basic theory is wrong.
   我認為你的基本理論是錯的。
5. We associate Darwin with the theory of evolution.
   一提到進化論，我們就會想起達爾文。
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6. The experiment confirmed his theory.
   实验证明了他的理论。
7. We associate the name of Einstein with the theory of relativity.
   一提到愛因斯坦，我們就會想起相對論。
8. Strictly speaking, the theory is not correct.
   嚴格地說，這套理論不算正確。
9. The third point to make is that Emmet attempted to harmonize his theory with the reality of designing.
   他的第三点说明的是，埃米特试图协调现实与他的理论设计。
10. It is difficult to understand his theory.
    他的理论很难懂。
11. They opposed Darwin's theory of evolution.
    他們反對達爾文的進化論。
12. Theory and practice should go hand in hand.
    理论得联系实际。
13. A theory must be followed by practice.
    理論必須與實踐相隨。
14. I don't agree with the theory that one should learn Latin in order to better understand English.
    有人說，要深入理解英語，就必須先學好拉丁語。我不同意這種說法。
15. We could apply the theory of punctuated equilibrium to languages.
    我们可以把间断平衡理论应用到语言上。
16. Your theory has no scientific basis.
    你的理論並沒有科學根據。
17. It's difficult to understand his theory.
    他的理论很难懂。
18. John Dalton was the creator of the atomic theory.
    约翰·道尔顿是原子学说的创始人
19. This theory is very controversial.
    z这个理论很有争议。
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