pliosaur

简明释义

[ˈplaɪəsɔː][ˈplaɪəˌsɔr]

上龙

英英释义

A large marine reptile of the group Pliosauria, characterized by a robust body, short neck, and large head with powerful jaws, known to have lived during the Jurassic and Cretaceous periods.

一种大型海洋爬行动物,属于Pliosauria类群,特征是体型粗壮、颈部短、头部大且有强大的颚,已知生活在侏罗纪和白垩纪时期。

单词用法

pliosaur fossils

鱼龙化石

pliosaur species

鱼龙物种

pliosaur remains

鱼龙遗骸

pliosaur anatomy

鱼龙解剖学

同义词

marine reptile

海洋爬行动物

Pliosaurs were large marine reptiles that lived during the Jurassic and Cretaceous periods.

鳄头龙是生活在侏罗纪和白垩纪期间的大型海洋爬行动物。

mosasaur

蛇颈龙

Mosasaur fossils have been found in many parts of the world, indicating their widespread presence.

蛇颈龙的化石在世界许多地方被发现,表明它们曾广泛存在。

ichthyosaur

鱼龙

Ichthyosaurs were known for their fish-like shape and were highly adapted to life in the ocean.

鱼龙以其鱼类形状而闻名,并且高度适应海洋生活。

反义词

terrestrial

陆生的

The terrestrial ecosystem is home to many unique species.

陆生生态系统栖息着许多独特的物种。

land animal

陆地动物

Land animals have adapted to survive in various environments.

陆地动物已适应在各种环境中生存。

例句

1.The researchers plan to excavate the second pliosaur when they return to Spitsbergen this summer.

研究者计划在这个夏季返回斯匹次卑尔根群岛挖掘第二具化石。

2.Using four paddle-like limbs to propel its bulky body through the water, the pliosaur made easy work of passing prey such as dolphin-like ichthyosaurs.

上龙用四根桨状的四肢推动它庞大的身体在水里游来游去,轻而易举地就能掠食形似海豚的鱼龙。

3.The predator has been identified as a new species of pliosaur, a group of extinct aquatic reptiles that had huge skulls, short necks and four flippers to power them through the water.

这种食肉动物已被确认为一种上龙,上龙是一类已经灭绝了的水生爬行动物,有巨大的头骨,粗短的脖子,还有令它们在水里来去自如的四只脚蹼。

4.The skull from the ferocious prehistoric predator the pliosaur is 2.4 metres long and could belong to a creature measuring up to 16 metres in length from tip to tail and weighing up to 12 tonnes.

这块长2.4米的头骨来自于凶猛的史前食肉动物——上龙,该上龙从前端到尾部可能长达16米,重达12吨。

5.The new Dorset County Museum exhibit includes a life-size model of the pliosaur head to show what the animal would have looked like.

在多塞郡博物馆最新一轮的展览中,会出现一具真实大小的上龙头部模型,目的是向世人展示这种巨兽看起来是什么模样。

6.The fossil skull of a 50-foot-long (15-meter-long) pliosaur was found in Norway in 2008.

这具颅骨化石来自于一条长达50英尺(合15米)的上龙,它在2008年发现于挪威。

7.Researchers got their first glimpse of the beast's remains on the last day of an expedition in 2007, during which they uncovered bones from a smaller pliosaur.

研究人员第一次看到这种野兽化石是在2007年的一次探险的最后一天,那次他们发现了一只稍小点的上龙的骨片。

8.The skull from the ferocious prehistoric predator the pliosaur is 2.4 metres long and could belong to a creature measuring up to 16 metres in length from tip to tail and weighing up to 12 tonnes.

这块长2.4米的头骨来自于凶猛的史前食肉动物——上龙,该上龙从前端到尾部可能长达16米,重达12吨。

9.The bone measured 15cm across, making it the largest of any pliosaur known, and twice the size of the same bone in T. rex.

这片骨测得宽为15厘米,是所知的上龙中最大的,比霸王龙的大一倍。

10.The pliosaur 蛇颈龙 had a large head and powerful jaws, making it an efficient hunter.

这只pliosaur 蛇颈龙拥有一个大头和强大的下颚,使它成为高效的猎手。

11.The fossilized remains of a pliosaur 蛇颈龙 were discovered in the cliffs, revealing its massive size.

在悬崖中发现的化石遗骸是一只pliosaur 蛇颈龙,显示出它的巨大体型。

12.In documentaries about prehistoric life, the pliosaur 蛇颈龙 is often depicted swimming gracefully through the water.

在关于史前生活的纪录片中,pliosaur 蛇颈龙常常被描绘成优雅地在水中游动。

13.Paleontologists believe that the pliosaur 蛇颈龙 was one of the top predators of the Jurassic seas.

古生物学家认为,pliosaur 蛇颈龙是侏罗纪海洋中的顶级捕食者之一。

14.The size of a pliosaur 蛇颈龙 could reach up to 15 meters long, making it a formidable creature.

一只pliosaur 蛇颈龙的长度可达15米,成为一种可怕的生物。

作文

The ocean has always been a source of mystery and wonder, filled with creatures that have captivated the imagination of humans for centuries. Among these ancient beings is the fascinating pliosaur, a marine reptile that roamed the seas during the Late Jurassic to the Early Cretaceous periods, approximately 160 to 65 million years ago. The pliosaur is not just any ordinary creature; it belongs to a group of marine reptiles known as Plesiosauria, which are characterized by their long necks and small heads. However, what sets the pliosaur apart is its distinctively large head and short neck, making it a formidable predator in its aquatic environment.The anatomy of the pliosaur is particularly interesting. It had a robust body, powerful limbs that evolved into flippers, and a jaw filled with sharp teeth designed for catching prey. This adaptation allowed the pliosaur to hunt efficiently, preying on fish and other marine animals. Fossils of the pliosaur have been discovered in various parts of the world, providing valuable insights into its size and lifestyle. Some species of pliosaur could grow up to 40 feet long, making them one of the largest marine predators of their time.The ecological role of the pliosaur was significant. As a top predator, it played a crucial part in maintaining the balance of marine ecosystems. Its hunting prowess would have kept prey populations in check, allowing for a diverse range of species to thrive in the oceans. The extinction of the pliosaur at the end of the Cretaceous period, along with many other species, marked a significant shift in marine life. This event led to the rise of new marine predators, such as sharks and marine mammals, which filled the ecological niche left vacant by the pliosaur and its relatives.Studying the pliosaur provides not only a glimpse into the past but also an understanding of evolutionary processes. The adaptations seen in the pliosaur reflect how species evolve in response to their environments. For instance, the development of powerful flippers allowed the pliosaur to become an efficient swimmer, showcasing how physical traits can enhance survival in specific habitats. This concept of adaptation is central to the theory of evolution, illustrating the dynamic relationship between organisms and their environments.In conclusion, the pliosaur is a remarkable example of prehistoric life that continues to intrigue scientists and enthusiasts alike. Its unique physical characteristics, predatory behavior, and ecological significance make it a vital subject of study in paleontology. As we uncover more about these ancient creatures, we gain a deeper appreciation for the complexity of life on Earth and the ever-changing nature of our planet's ecosystems. The legacy of the pliosaur serves as a reminder of the rich tapestry of life that has existed long before humans and the ongoing journey of evolution that shapes the world we live in today.

海洋一直是神秘和奇迹的源泉,充满了数百年来吸引人类想象力的生物。在这些古老生物中,有一种迷人的蛇颈龙,它是一种在晚侏罗世到早白垩世期间生活在海洋中的爬行动物,大约在1亿6千万到6500万年前。蛇颈龙不仅仅是普通生物;它属于一种称为蛇颈龙类的海洋爬行动物,这类生物的特征是长脖子和小头。然而,蛇颈龙与众不同之处在于它那独特的大头和短脖子,使其成为水域中可怕的捕食者。蛇颈龙的解剖结构特别有趣。它有一个强壮的身体,强大的四肢演变成鳍,嘴里满是锋利的牙齿,专为捕捉猎物而设计。这种适应性让蛇颈龙能够高效地捕猎,以鱼类和其他海洋动物为食。蛇颈龙的化石在世界各地被发现,为我们提供了关于它的大小和生活方式的宝贵见解。有些蛇颈龙的种类可以长达40英尺,使它们成为当时最大的海洋捕食者之一。蛇颈龙的生态角色非常重要。作为顶级捕食者,它在维持海洋生态系统的平衡中发挥了关键作用。它的捕猎能力会抑制猎物种群,从而允许多样化的物种在海洋中繁荣。随着白垩纪末期蛇颈龙及许多其他物种的灭绝,标志着海洋生命的重大变化。这一事件导致新海洋捕食者的崛起,如鲨鱼和海洋哺乳动物,它们填补了被蛇颈龙及其亲属留下的生态位。研究蛇颈龙不仅提供了对过去的瞥见,而且还帮助我们理解进化过程。蛇颈龙身上的适应性反映了物种如何根据环境而进化。例如,强大的鳍的发展使得蛇颈龙成为高效的游泳者,展示了物理特征如何增强在特定栖息地中的生存能力。这种适应的概念是进化理论的核心,说明了生物体与其环境之间的动态关系。总之,蛇颈龙是一个非凡的史前生命例子,继续吸引科学家和爱好者的关注。它独特的身体特征、捕食行为和生态重要性使其成为古生物学研究的重要主题。当我们揭示更多关于这些古代生物的信息时,我们对地球生命的复杂性以及塑造我们今天生活的星球生态系统的不断变化的本质有了更深的理解。蛇颈龙的遗产提醒我们,在人类之前,曾经存在过丰富的生命织锦,以及塑造我们今天生活世界的进化旅程。