n.涡旋；螺旋

The theory of evolution explains how species change over time.
进化论解释了物种如何随时间改变。
Darwin's theory of evolution by natural selection changed our understanding of biology.
达尔文的自然选择进化理论改变了我们对生物学的理解。
Evolution is a fact, not just a theory.
进化是一个事实，而不仅仅是一个理论。
Over millions of years, evolution has produced incredible diversity in life forms on Earth.
几百万年来，进化在地球上产生了生命形式的惊人多样性。
The fossil record provides evidence for evolution.
化石记录提供了进化的证据。
Evolution is a process that occurs through genetic variation and natural selection.
进化是一个通过遗传变异和自然选择发生的过程。
Human evolution is a complex and ongoing process.
人类进化是一个复杂且持续进行的过程。
The concept of evolution can be applied to many areas beyond biology, such as culture and technology.
进化概念可以应用于许多领域，而不仅仅是生物学，例如文化和技术。
Evolutionary theory helps us understand the relationships between different species.
进化理论帮助我们理解不同物种之间的关系。
The study of evolution is crucial for understanding the history of life on Earth.
研究进化对于理解地球生命的历史至关重要。