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词汇 *theory
释义 *theo·ry /`θiərɪ; ˈθɪəri/
n
1 [C] an explanation for something that has not yet been proved to be true 学说; 理论:
Darwin's theory of evolution 达尔文的进化论
2 in theory something that is true in theory should be true, but may not be 理论上,从理论上来说〔实际上未必如此〕:
In theory, the crime rate should decrease as employment increases. 在理论上,就业率上升时犯罪率应该会下降。
3 [U] the general principles of a subject such as science or music 原理; 学理:
studying music theory 学习乐理
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