fossil

简明释义

英[ˈfɒsl]美[ˈfɑːsl]

n. 化石；<非正式>思想僵化的人；僵化的事物

adj. 化石的，从地下采掘出的；不变的，古老的

英英释义

单词用法

同义词

反义词

例句

1.The same is true for new technologies for alleviating fossil fuel emissions.

减少化石燃料排放的新技术也是如此。

2.Burning fossil fuels uses oxygen and produces carbon dioxide.

燃烧化石燃料消耗氧气并产生二氧化碳。

3.The electricity industry consumes large amounts of fossil fuels.

电力工业消耗大量的矿物燃料。

4.Fossil hunters have unearthed the bones of an elephant believed to be 500,000 years old.

化石寻找者们挖掘出了一头被认为有50万年之久的大象遗骨。

5.However, for older sequence of evolutionary development, estimates based on parts in the fossil record.

然而，对于更古老的进化序列，估测则是基于化石记录的部分。

6.Natural gas and coal—also fossil fuels—have similarly seen price declines that look to be long-lived.

天然气和煤炭，还有化石燃料，也出现了类似的价格下跌，而且看起来会持续很长时间。

7.With such a long interval, it is difficult to determine the age of this fossil.

时间隔得这么久了，很难确定这化石的年代。

8.Finding a well-preserved fossil can provide valuable information about extinct species.

发现一个保存完好的化石可以提供有关灭绝物种的宝贵信息。

9.Paleontologists often use fossils to reconstruct ancient ecosystems.

古生物学家常常利用化石重建古代生态系统。

10.Scientists study fossils to learn about the Earth's history.

科学家研究化石以了解地球的历史。

11.The museum has a large collection of fossils, which are remnants of ancient life.

博物馆有大量的化石藏品，它们是古代生命的遗迹。

12.The fossil record shows how species have evolved over millions of years.

化石记录显示物种是如何在数百万年中演变的。

作文

The study of fossils has always fascinated scientists and the general public alike. A fossil is the preserved remains or traces of animals, plants, and other organisms from the past. These remnants provide crucial insights into the history of life on Earth, allowing us to understand how species evolved over millions of years. The process of fossilization is rare and requires specific conditions, which is why we have only a limited number of fossils available for study. Most commonly, fossils are formed when an organism dies and is buried under sediment. Over time, minerals seep into the remains, replacing organic material and creating a stone-like structure. This process can take thousands to millions of years. Paleontologists, scientists who study fossils, meticulously excavate these remains to learn about the organism's life, environment, and the era it lived in.One of the most significant contributions of fossils to science is the evidence they provide for evolution. By examining the characteristics of ancient species found in fossils, scientists can trace the lineage of modern organisms. For example, the discovery of transitional fossils, such as those of the Archaeopteryx, offers a glimpse into the evolutionary bridge between dinosaurs and birds. This kind of evidence supports the theory of evolution proposed by Charles Darwin, illustrating how species adapt and change over time.Moreover, fossils also help us understand past climates and ecosystems. By studying the types of plants and animals that existed in a particular area, scientists can reconstruct ancient environments. For instance, the presence of certain fossils can indicate whether an area was once covered in lush forests or was a barren desert. This information is vital for understanding how climate change has affected life on Earth throughout history.The discovery of fossils has also sparked public interest and education. Museums around the world showcase impressive fossils, attracting millions of visitors each year. These exhibits not only highlight the beauty and diversity of life but also serve an educational purpose, inspiring future generations to appreciate and protect the natural world. In recent years, advancements in technology have enhanced our ability to study fossils. Techniques like CT scanning and isotopic analysis allow scientists to examine the internal structures of fossils without damaging them. These innovations have led to new discoveries and a deeper understanding of the biology and ecology of ancient organisms.Despite their significance, fossils face threats from climate change and human activity. Many sites where fossils are found are being destroyed due to construction, mining, and other forms of land development. Conservation efforts are essential to protect these invaluable records of our planet's history. In conclusion, fossils are not just remnants of the past; they are windows into the history of life on Earth. They provide evidence for evolution, insights into ancient environments, and inspire curiosity and education. As we continue to explore and study fossils, we must also prioritize their preservation for future generations to learn from and enjoy. Understanding fossils is crucial for appreciating the rich tapestry of life that has existed on our planet, and it reminds us of the importance of protecting our natural heritage.

对化石的研究一直以来都吸引着科学家和公众的关注。化石是来自过去的动物、植物和其他生物的保存遗骸或痕迹。这些遗迹为我们提供了关于地球生命历史的重要见解，使我们能够理解物种如何在数百万年间进化。化石化的过程是罕见的，需要特定的条件，这就是为什么我们只有有限数量的化石可供研究。最常见的情况是，当一个生物死亡并被沉积物埋藏时，化石就会形成。随着时间的推移，矿物质渗入遗骸中，替代有机物质，形成类似石头的结构。这个过程可能需要数千到数百万年。古生物学家，即研究化石的科学家，仔细挖掘这些遗骸，以了解生物的生活、环境及其生存的时代。化石对科学的一个重要贡献是它们为进化提供的证据。通过检查古代物种在化石中的特征，科学家可以追溯现代生物的谱系。例如，发现过渡性化石，如始祖鸟，提供了恐龙与鸟类之间进化桥梁的线索。这种证据支持了查尔斯·达尔文提出的进化论，说明物种如何随时间适应和变化。此外，化石还帮助我们理解过去的气候和生态系统。通过研究某个地区存在的植物和动物类型，科学家可以重建古代环境。例如，某些化石的存在可以表明一个地区曾经是郁郁葱葱的森林还是荒凉的沙漠。这些信息对于理解气候变化如何影响地球生命的历史至关重要。化石的发现也激发了公众的兴趣和教育。世界各地的博物馆展示了令人印象深刻的化石，每年吸引数百万游客。这些展览不仅突显了生命的美丽和多样性，还具有教育意义，激励未来的几代人欣赏和保护自然世界。近年来，技术的进步增强了我们研究化石的能力。CT扫描和同位素分析等技术使科学家能够在不损坏化石的情况下检查其内部结构。这些创新导致了新的发现，并加深了我们对古代生物的生物学和生态学的理解。尽管化石具有重要意义，但它们面临着气候变化和人类活动的威胁。许多发现化石的地点因建筑、采矿和其他形式的土地开发而被破坏。保护工作对于保护这些无价的地球历史记录至关重要。总之，化石不仅仅是过去的遗留物；它们是通向地球生命历史的窗口。它们提供了进化的证据，对古代环境的见解，并激发了好奇心和教育。随着我们继续探索和研究化石，我们还必须优先考虑它们的保护，以便未来的世代能够学习和享受。理解化石对欣赏我们星球上曾经存在的丰富生命织锦至关重要，它提醒我们保护自然遗产的重要性。