ichthyosaurus

简明释义

英[ˌɪkθɪəˈsɔːrəs]美[ˌɪkθɪrˈsɑːrəs]

n. 鱼龙（恐龙的一种）

复 数 i c h t h y o s a u r u s e s 或 i c h t h y o s a u r i

英英释义

单词用法

同义词

反义词

例句

1.Indeed, I found afterwards that horses, cattle, sheep, dogs, had followed the Ichthyosaurus into extinction.

的确，后来我发现，马、羊、牛和狗都继鱼龙之后灭绝了。

2.Indeed, I found afterwards that horses, cattle, sheep, dogs, had followed the Ichthyosaurus into extinction.

的确，后来我发现，马、羊、牛和狗都继鱼龙之后灭绝了。

3.The ichthyosaurus had a streamlined body, which made it an efficient swimmer.

鱼龙拥有流线型的身体，使它成为高效的游泳者。

4.The fossil of the ichthyosaurus was discovered in a remote area of the desert.

在沙漠的偏远地区发现了鱼龙的化石。

5.Paleontologists believe that the ichthyosaurus swam in the oceans over 200 million years ago.

古生物学家相信鱼龙在2亿多年前游弋于海洋中。

6.The discovery of an ichthyosaurus skeleton provided new insights into marine reptiles.

一具鱼龙骨骼的发现为海洋爬行动物提供了新的见解。

7.In the museum, there is a life-size model of an ichthyosaurus on display.

在博物馆里，有一个鱼龙的等身模型展出。

作文

The term ichthyosaurus refers to a fascinating group of marine reptiles that lived during the Mesozoic Era, specifically from the late Triassic to the end of the Cretaceous period. These creatures are often mistaken for dinosaurs, but they are not. Instead, they belong to a distinct group of reptiles known as ichthyosaurs. The name ichthyosaurus itself is derived from Greek, meaning 'fish lizard,' which accurately reflects their fish-like body shape and adaptations for life in the ocean.Ichthyosaurs were remarkable for their time, with some species reaching lengths of over 20 feet. Their streamlined bodies made them efficient swimmers, allowing them to hunt various marine prey, including fish and squid. Paleontologists believe that ichthyosaurus had large eyes, suggesting that they were likely active hunters and relied on keen vision to spot prey in the murky depths of the ocean.One of the most intriguing aspects of ichthyosaurus is its unique method of reproduction. Unlike many reptiles today, which lay eggs on land, it is believed that these marine reptiles gave birth to live young. This adaptation would have been beneficial in a marine environment, as it allowed the young to be born directly into the water, reducing the risk of predation that egg-laying might have posed.Fossils of ichthyosaurus have been found in various parts of the world, including Europe, North America, and Australia. These fossils provide valuable insights into the anatomy and lifestyle of these ancient creatures. For instance, the discovery of well-preserved specimens has revealed details about their skeletal structure, indicating that they had a long, flexible spine and limbs that evolved into flippers, enhancing their swimming capabilities.The study of ichthyosaurus and other ichthyosaurs has also contributed to our understanding of marine ecosystems during the Mesozoic Era. They were apex predators, playing a crucial role in the food chain. Their extinction at the end of the Cretaceous period, alongside the demise of many other species, marked a significant shift in marine biodiversity, paving the way for modern marine life.In popular culture, ichthyosaurus often captures the imagination of both children and adults. Its resemblance to modern dolphins and its impressive size make it a subject of interest in documentaries and educational programs. Museums around the world feature fossils of ichthyosaurus, allowing visitors to appreciate the grandeur of these ancient reptiles.In conclusion, the ichthyosaurus is a remarkable example of evolutionary adaptation in marine environments. Its unique characteristics, such as live birth and streamlined body shape, highlight the diversity of life that existed millions of years ago. As we continue to discover more about these fascinating creatures through paleontological research, we gain a deeper appreciation for the complexity of Earth's history and the evolution of life in our oceans. Understanding the ichthyosaurus not only enriches our knowledge of prehistoric life but also emphasizes the importance of preserving our current marine ecosystems, which are facing numerous challenges today.

术语ichthyosaurus指的是一组生活在中生代时期的海洋爬行动物，具体而言，从晚三叠世到白垩纪末期。这些生物常常被误认为是恐龙，但它们并不是。相反，它们属于一个独特的爬行动物群体，称为鱼龙。ichthyosaurus这个名字本身源自希腊语，意思是“鱼蜥蜴”，这准确地反映了它们鱼状的体型和适应海洋生活的特征。鱼龙在其时代是显著的，有些物种的长度超过20英尺。它们流线型的身体使它们成为高效的游泳者，使它们能够捕猎各种海洋猎物，包括鱼和鱿鱼。古生物学家认为，ichthyosaurus有着大的眼睛，这表明它们可能是活跃的猎手，并依赖敏锐的视觉在浑浊的海洋深处寻找猎物。ichthyosaurus最引人入胜的方面之一是其独特的繁殖方式。与许多今天的爬行动物不同，后者在陆地上产卵，科学家认为这些海洋爬行动物是活产的。这种适应在海洋环境中是有利的，因为它允许幼崽直接在水中出生，从而减少了产卵可能带来的捕食风险。世界各地发现了ichthyosaurus的化石，包括欧洲、北美和澳大利亚。这些化石为我们提供了关于这些古代生物的解剖学和生活方式的宝贵见解。例如，保存良好的标本的发现揭示了它们骨骼结构的细节，表明它们有着长而灵活的脊柱和进化成鳍肢的肢体，从而增强了它们的游泳能力。对ichthyosaurus和其他鱼龙的研究也有助于我们理解中生代时期的海洋生态系统。它们是顶级掠食者，在食物链中扮演着重要角色。它们在白垩纪末期的灭绝，与许多其他物种的消亡一起，标志着海洋生物多样性的重大转变，为现代海洋生命铺平了道路。在大众文化中，ichthyosaurus常常吸引着儿童和成人的想象力。它与现代海豚的相似之处及其令人印象深刻的体型使其成为纪录片和教育节目中的关注对象。世界各地的博物馆展出了ichthyosaurus的化石，让游客欣赏这些古代爬行动物的壮丽。总之，ichthyosaurus是海洋环境中进化适应的一个显著例子。其独特的特征，如活产和流线型体型，突显出数百万年前存在的生命的多样性。随着我们通过古生物学研究不断发现更多关于这些迷人生物的信息，我们对地球历史的复杂性以及海洋生命的进化有了更深的理解。了解ichthyosaurus不仅丰富了我们对史前生命的知识，还强调了保护我们当前海洋生态系统的重要性，这些生态系统今天正面临诸多挑战。