theories

简明释义

英['θɪərɪz]美['θɪərɪz]

n. 理论（theory 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.So we have been talking about theories that deal with the effects of human activity on the climate.

所以我们一直在讨论人类活动对气候影响的理论。

2.Physics is the best example of a science which has developed strong, abstract theories.

物理学是一个发展出了强有力的抽象理论的学科的最好例证。

3.Aristotle's scientific theories dominated Western thought for fifteen hundred years.

亚里士多德的科学理论统治西方思想长达1500年之久。

4.His theories are somewhat remote from reality.

他的理论有点儿脱离现实。

5.There are a number of familiar theories.

有许多熟悉的理论。

6.Don't let yourself be distracted by fashionable theories.

别让自己被新潮的理论给分心了。

7.Over the years several similar theories have been put forward.

多年来几种类似理论被提了出来。

8.We will then have a firmer foundation of fact on which to build theories.

那时我们将有更坚实的事实根据来作为理论的基础。

9.Scientists have different theories as to why there's a relationship between the two.

对于两者之间关系的由来，科学家们有不同的理论。

10.In psychology, there are various theories about how memory works.

在心理学中，有多种关于记忆如何运作的理论。

11.The theories of evolution provide a framework for understanding biological diversity.

进化的理论为理解生物多样性提供了框架。

12.Scientists develop new theories to explain the behavior of particles at the quantum level.

科学家们制定新的理论来解释量子级别粒子的行为。

13.The professor presented several competing theories on climate change during the lecture.

教授在讲座中介绍了几种关于气候变化的竞争性理论。

14.Many theories suggest that stress can have a negative impact on physical health.

许多理论表明，压力会对身体健康产生负面影响。

作文

In the realm of scientific inquiry, the development and validation of various theories is crucial for understanding the complexities of the universe. A theory can be defined as a well-substantiated explanation of some aspect of the natural world, which is based on a body of evidence that has been repeatedly tested and confirmed through observation and experimentation. For instance, the theory of evolution, proposed by Charles Darwin, serves as a fundamental principle in biology, explaining how species adapt and change over time through natural selection. This theory not only provides a framework for understanding the diversity of life but also influences various fields such as genetics, ecology, and paleontology.Moreover, theories are not limited to the natural sciences; they also play a significant role in the social sciences. In psychology, for example, there are numerous theories that seek to explain human behavior. One prominent theory is Maslow's hierarchy of needs, which posits that individuals are motivated by a series of hierarchical needs, ranging from basic physiological requirements to self-actualization. This theory has profound implications for understanding motivation in various contexts, including education and workplace dynamics.Furthermore, the process of developing theories involves critical thinking, creativity, and a willingness to challenge existing knowledge. Scientists and researchers often propose new theories based on emerging evidence or novel observations. For instance, the emergence of quantum mechanics in the early 20th century revolutionized our understanding of physics, leading to new theories about the behavior of particles at the subatomic level. These groundbreaking theories have paved the way for technological advancements, including the development of semiconductors and lasers.However, it is essential to recognize that theories are not absolute truths; rather, they are subject to revision and refinement as new data becomes available. The scientific method encourages skepticism and continuous questioning, which ensures that theories remain robust and relevant. For example, the theory of plate tectonics, which explains the movement of Earth's lithospheric plates, has undergone significant modifications since its inception. As geologists gather more evidence from seismic activity and geological formations, they refine the theory to better explain the dynamic processes shaping our planet.In conclusion, theories serve as foundational pillars in both the natural and social sciences, providing frameworks for understanding complex phenomena. They are developed through rigorous testing and evidence gathering, and while they can evolve over time, their importance in advancing knowledge cannot be overstated. Embracing the nature of theories fosters a culture of inquiry and innovation, ultimately leading to a deeper understanding of the world around us. As we continue to explore and question, we contribute to the ever-growing tapestry of human knowledge, driven by the pursuit of truth through the lens of theories.

在科学探究的领域中，各种理论的发展和验证对理解宇宙的复杂性至关重要。理论可以定义为对自然界某一方面的充分证实的解释，这种解释基于经过观察和实验反复测试和确认的证据体系。例如，查尔斯·达尔文提出的进化理论，作为生物学的基本原则，解释了物种如何通过自然选择随时间适应和变化。这个理论不仅提供了理解生命多样性的框架，还影响了遗传学、生态学和古生物学等多个领域。此外，理论并不限于自然科学；它们在社会科学中也扮演着重要角色。例如，在心理学中，有许多理论试图解释人类行为。其中一个著名的理论是马斯洛的需求层次理论，它认为个体受到一系列层次需求的驱动，从基本的生理需求到自我实现。这个理论对理解各种背景下的动机具有深远的影响，包括教育和职场动态。此外，发展理论的过程涉及批判性思维、创造力以及挑战现有知识的意愿。科学家和研究人员常常根据新出现的证据或新颖的观察提出新的理论。例如，20世纪初量子力学的出现彻底改变了我们对物理学的理解，导致了对亚原子粒子行为的新理论的提出。这些突破性的理论为技术进步铺平了道路，包括半导体和激光的发展。然而，重要的是要认识到，理论并不是绝对真理；相反，它们会随着新数据的出现而被修订和完善。科学方法鼓励怀疑和持续质疑，这确保了理论保持稳健和相关。例如，解释地球岩石圈板块运动的板块构造理论自其产生以来经历了重大修改。随着地质学家从地震活动和地质构造中收集更多证据，他们不断完善这一理论以更好地解释塑造我们星球的动态过程。总之，理论在自然科学和社会科学中作为基础支柱，提供了理解复杂现象的框架。它们通过严格的测试和证据收集发展而来，虽然它们可能随着时间的推移而演变，但在推动知识进步方面的重要性不可低估。接受理论的本质促进了探究和创新的文化，最终导致我们对周围世界的更深入理解。随着我们继续探索和质疑，我们为人类知识不断增长的画卷作出贡献，追求通过理论的视角寻求真理。