annual ring

简明释义

年轮

英英释义

例句

1.Archaeologists use annual rings to date wooden artifacts.

考古学家利用年轮为木制文物定年。

2.Each annual ring tells a story about the environmental conditions of that year.

每个年轮讲述了那一年环境条件的故事。

3.The width of each annual ring indicates the growth rate of the tree during that year.

每个年轮的宽度表示树在那一年期间的生长速度。

4.Drought years are often reflected in the narrowness of the annual rings.

干旱年份通常反映在年轮的狭窄上。

5.Scientists can determine the age of a tree by counting its annual rings.

科学家通过计算树的年轮来确定树的年龄。

作文

The beauty of nature often reveals itself in the most intricate details, and one such detail is the annual ring. The annual ring is a fascinating aspect of tree biology that tells us much about the life of a tree over the years. Each year, as a tree grows, it adds a new layer of wood beneath its bark, resulting in a visible ring when the tree is cut. This process not only signifies growth but also reflects the environmental conditions the tree has experienced during each year of its life.Understanding the formation of annual rings can provide insights into the history of our planet. For instance, a wider annual ring indicates a year of favorable conditions, such as ample rainfall and sunlight, while a narrower ring may suggest drought or poor growing conditions. By studying these rings, scientists can reconstruct past climates and understand how trees have adapted to changing environments over time.Moreover, the annual ring can serve as a historical record for human activities. Deforestation, urbanization, and climate change all leave their mark on the growth patterns of trees. For example, in areas where deforestation has occurred, the annual rings may show abrupt changes in growth rates, reflecting the impact of human interference. This information is crucial for conservation efforts, as it helps us understand how ecosystems respond to human actions.In addition to their scientific importance, annual rings also hold aesthetic value. Artists and craftspeople often use slices of wood displaying annual rings in their work, showcasing the natural beauty and complexity of trees. Each ring tells a story, capturing the essence of a tree's life journey, making it a popular motif in art and design.Furthermore, the study of annual rings extends beyond just trees; it can also be applied to other plants and even corals, which exhibit similar growth patterns. This interdisciplinary approach enriches our understanding of growth processes across different species and ecosystems.In conclusion, the annual ring is more than just a marker of a tree's age; it is a window into the past, offering valuable information about environmental conditions, human impact, and the beauty of nature. By appreciating and studying annual rings, we can gain a deeper understanding of the world around us and the intricate relationships between living organisms and their habitats. As we face challenges like climate change and habitat destruction, recognizing the significance of annual rings can inspire us to protect and preserve our natural heritage for future generations.

自然的美丽常常在最复杂的细节中显现，而一个这样的细节就是年轮。年轮是树木生物学中一个迷人的方面，它告诉我们许多关于树木多年来生活的信息。每年，随着树木的生长，它会在树皮下添加一层新的木材，导致当树被砍伐时形成一个可见的环。这一过程不仅象征着生长，还反映了树木在其生命的每一年中所经历的环境条件。理解年轮的形成可以为我们提供关于地球历史的见解。例如，较宽的年轮表示一个良好的生长年份，如充足的降雨和阳光，而较窄的环可能表明干旱或不良的生长条件。通过研究这些环，科学家可以重建过去的气候并了解树木如何适应不断变化的环境。此外，年轮还可以作为人类活动的历史记录。森林砍伐、城市化和气候变化都在树木的生长模式上留下了印记。例如，在发生森林砍伐的地区，年轮可能显示出生长速率的突然变化，反映出人类干预的影响。这些信息对保护工作至关重要，因为它帮助我们理解生态系统如何对人类行为作出反应。除了科学重要性，年轮也具有审美价值。艺术家和工匠常常在他们的作品中使用展示年轮的木材切片，展示树木的自然美和复杂性。每个环讲述一个故事，捕捉树木生命旅程的本质，使其成为艺术和设计中的流行主题。此外，对年轮的研究不仅限于树木；它也可以应用于其他植物甚至珊瑚，这些生物表现出类似的生长模式。这种跨学科的方法丰富了我们对不同物种和生态系统生长过程的理解。总之，年轮不仅仅是树木年龄的标志；它是通往过去的窗口，提供了有关环境条件、人类影响和自然美的重要信息。通过欣赏和研究年轮，我们可以更深入地理解我们周围的世界以及生物体与其栖息地之间的复杂关系。当我们面临气候变化和栖息地破坏等挑战时，认识到年轮的重要性可以激励我们保护和维护我们的自然遗产，以便未来的世代。