theory
简明释义
n. 学说，理论；（某一学科基于的）理论，原理；观点，见解
复 数 t h e o r i e s
英英释义
单词用法
理论上 | |
基本理论 |
同义词
| 假设 | 这个假设需要通过实验来检验。 | ||
| 概念 | 进化的概念随着时间的推移而变化。 | ||
| 原则 | 他用简单的术语解释了相对论的原则。 | ||
| 模型 | 这个模型准确预测了系统的行为。 | ||
| 框架 | This framework provides a structured approach to problem-solving. | 这个框架提供了一种结构化的问题解决方法。 |
反义词
| 事实 | The theory was interesting, but the facts tell a different story. | 这个理论很有趣，但事实却讲述了一个不同的故事。 | |
| 实践 | In theory, this method should work, but in practice, it often fails. | 理论上，这种方法应该有效，但在实践中，它常常失败。 |
例句
1.This theory can be confirmed experimentally.
这种理论可通过实验得到证实。
2.The theory supposes the existence of life on other planets.
这个理论假定其他行星存在生命。
3.The theory remains untested.
该理论仍未经过验证。
4.The statistics offer further support for our theory.
这些统计数字为我们的理论提供了进一步的依据。
5.The next step is to put the theory into practice.
下一阶段要把理论付诸实践。
6.A recent book has demolished this theory.
最近出版的一本书推翻了这种理论。
7.She supports her theory with copious evidence.
她以大量的论据来支持自己的理论。
8.Tell me, what do you think of my theory?
告诉我，你认为我的理论怎么样？
9.In theory I'm on call day and night.
理论上，我不分昼夜随叫随到。
10.The teacher explained the theory of evolution and its significance in biology.
老师解释了进化论及其在生物学中的重要性。
11.The scientific community is always testing new theories to expand our understanding of the universe.
科学界总是在测试新的理论以扩展我们对宇宙的理解。
12.In physics class, we learned about Einstein's theory of relativity, which explains how time and space are interconnected.
在物理课上，我们学习了爱因斯坦的相对论，它解释了时间和空间是如何相互关联的。
13.According to his theory, social behavior is influenced by cultural norms.
根据他的理论，社会行为受到文化规范的影响。
14.Her theory of motivation suggests that people are driven by intrinsic and extrinsic factors.
她的动机理论认为人们受到内在和外在因素的驱动。
作文
In the realm of science, the term theory refers to a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation. For many, the word theory might evoke thoughts of uncertainty or conjecture; however, in scientific parlance, it signifies a robust framework that has stood the test of time and scrutiny. A prime example of a scientific theory is the theory of evolution, which explains the diversity of life on Earth through mechanisms such as natural selection and genetic drift.In contrast to a hypothesis, which is a tentative explanation that can be tested, a theory is an established principle that has been supported by a significant body of evidence. This distinction is crucial for understanding how scientists communicate their findings. For instance, when discussing climate change, scientists refer to the greenhouse gas theory, which posits that certain gases trap heat in the atmosphere, leading to global warming. This theory is backed by extensive research and data collection, making it a cornerstone of modern environmental science.The importance of theory extends beyond the confines of science. In the social sciences, theories help us understand complex human behaviors and societal structures. For example, Karl Marx's conflict theory provides a framework for analyzing class struggles and economic disparities within societies. Similarly, psychological theories such as Maslow's hierarchy of needs offer insights into human motivation and personal development.Moreover, theories are not static; they evolve with new findings and perspectives. The scientific community embraces this dynamism, as it allows for the refinement of existing theories or the development of new ones. For instance, the transition from Newtonian physics to Einstein's theory of relativity illustrates how scientific understanding can shift dramatically over time. While Newton's laws remain applicable in many situations, Einstein's theory provides a more comprehensive understanding of the universe at both macroscopic and microscopic levels.In everyday life, we often rely on theories to make sense of our experiences and observations. For example, a teacher may apply educational theories to enhance student learning outcomes, while a business leader might utilize management theories to improve organizational efficiency. These practical applications demonstrate the versatility of theories across various fields.In conclusion, the concept of theory is fundamental to our understanding of the world, bridging gaps between knowledge and application. Whether in the hard sciences, social sciences, or everyday decision-making, theories provide valuable insights that guide our actions and beliefs. As we continue to explore and expand our knowledge, the role of theory will remain pivotal in shaping our understanding of complex phenomena and driving innovation in various domains. Thus, embracing the significance of theory is essential for anyone seeking to comprehend the intricacies of both the natural and human worlds.
在科学领域，术语理论指的是通过科学方法获得的某些自然世界方面的充分证实的解释，并通过观察和实验反复测试和确认。对许多人来说，理论这个词可能会引发不确定性或推测的想法；然而，在科学术语中，它意味着一个经过时间和审查考验的强大框架。科学理论的一个典型例子是进化论，它通过自然选择和遗传漂变等机制解释了地球上生命的多样性。与假设相比，假设是一种可以被测试的暂时解释，而理论是一个已建立的原则，得到了大量证据的支持。这一区别对于理解科学家如何交流他们的发现至关重要。例如，在讨论气候变化时，科学家们提到温室气体理论，该理论认为某些气体在大气中捕获热量，导致全球变暖。这个理论得到了广泛的研究和数据收集的支持，使其成为现代环境科学的基石。理论的重要性超越了科学的范围。在社会科学中，理论帮助我们理解复杂的人类行为和社会结构。例如，卡尔·马克思的冲突理论提供了一个分析社会中阶级斗争和经济差距的框架。同样，心理学理论如马斯洛的需求层次理论提供了对人类动机和个人发展的洞察。此外，理论并不是静态的；它们随着新发现和新视角而发展。科学界接受这种动态性，因为它允许现有理论的完善或新理论的产生。例如，从牛顿物理学到爱因斯坦的相对论理论的转变说明了科学理解如何随着时间的推移发生剧烈变化。虽然牛顿的定律在许多情况下仍然适用，但爱因斯坦的理论提供了对宇宙在宏观和微观层面更全面的理解。在日常生活中，我们常常依赖理论来理解我们的经历和观察。例如，一位教师可能应用教育理论来提高学生的学习成果，而一位商业领袖可能利用管理理论来提高组织效率。这些实际应用展示了理论在各个领域的多样性。总之，理论的概念对我们理解世界至关重要，弥合了知识与应用之间的鸿沟。无论是在自然科学、社会科学还是日常决策中，理论都提供了宝贵的见解，指导我们的行动和信念。随着我们继续探索和扩展我们的知识，理论的角色将继续在塑造我们对复杂现象的理解和推动各个领域的创新中发挥关键作用。因此，拥抱理论的重要性对于任何希望理解自然和人类世界复杂性的人都是必不可少的。
