单词 | theory |
释义 | theory/'θɪərɪ $ 'θɪrɪ/ n. an idea that explains why and how sth happens n. 〖复-ries/-rɪz/〗 [C; U] 理论:[theory of sth] Darwin's theory of evolution 达尔文的进化论 ◇[theory that ...] Nobody can prove the theory that human beings can travel through time. 无人能证明人可以穿越时间的理论。 ◇economic theory 经济学理论 in theory 理论上;按理:In theory, their listening skills will improve. 他们的听力技巧按理会有所进步。 常犯错误 ✗ The problem exists in the theory, but doesn't actually happen in practice. ✓ The problem exists in theory, but doesn't actually happen in practice. 这个问题理论上是存在的,但实践中不会发生。 |
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