pterosaur

简明释义

英[ˈterəsɔː(r)]美[ˈterəˌsɔr]

n. 翼龙

英英释义

单词用法

同义词

反义词

例句

1.Based on previous fossil finds paleontologists had estimated the largest pterosaur wingspans to be around33ft making it the largest ever animal to fly.

根据先前发现的化石，古生物学家原本估计，体型最大的翼龙的翼展可能在33英呎左右，荣登有史以来最大的飞翔动物的宝座。

2.Pterosaur bones have similar features, as do those of several other groups of Mesozoic reptiles.

翼手龙的骨骼也有相似的特征，其它一些种类的中生代爬行动物也是如此。

3.The pterosaur trackway is quadrupedal, with wide gauge.

翼龙足迹为四足行走，行迹宽。

4.When a pterosaur walked or remained stationary, the fourth finger, and with it the wing, could only turn upward in an extended inverted V-shape along each side of the animal's body.

当翼龙走路或静止时，第四指及其翼，只能向上翻转，成一个伸展且内翻的V型，在其身体两侧。

5.It also represents only the fourth pterosaur egg ever discovered.

这枚卵也是所发现的第四枚恐龙卵。

6.Instead, he says a pterosaur used all four limbs, leapfrogging forward on its knuckles, to propel itself into the air.

相反，他说翼龙使用它所有的四肢向前跑动，从而使自己飞到空中。

7.The pterosaur was one of the largest flying reptiles to ever exist.

这种翼龙是有史以来最大的飞行爬行动物之一。

8.Scientists have discovered new fossils of a pterosaur in Argentina.

科学家在阿根廷发现了一种新的翼龙化石。

9.The pterosaur had a wingspan that could reach up to 33 feet.

这种翼龙的翼展可以达到33英尺。

10.Unlike birds, pterosaurs were not dinosaurs but shared the skies with them.

与鸟类不同，翼龙并不是恐龙，但与恐龙共享天空。

11.The pterosaur is often depicted with a long crest on its head.

这种翼龙常常被描绘为头上有一个长冠。

作文

The study of ancient creatures has always fascinated mankind. Among the most intriguing of these prehistoric beings is the pterosaur, a remarkable flying reptile that roamed the skies during the age of dinosaurs. Unlike birds, which are classified as avians, pterosaurs belong to a distinct group of reptiles known as Pterosauria. These fascinating creatures were not only masters of the air but also exhibited a variety of sizes and shapes, making them a diverse group within the Mesozoic era. One of the most interesting aspects of pterosaurs is their unique anatomy. They possessed elongated wings formed by a membrane of skin, muscle, and other tissues that stretched from their bodies to their elongated fourth fingers. This adaptation allowed them to glide gracefully through the air and soar over vast distances in search of food. Some species, such as the Quetzalcoatlus, had wingspans that could reach up to 33 feet, making them one of the largest flying animals ever to exist. The diet of pterosaurs varied significantly depending on the species. Some were fish-eaters, using their long beaks to snatch prey from the water, while others were scavengers or even predators of small terrestrial animals. This dietary diversity showcases their adaptability and ecological significance during their time on Earth. Paleontologists have discovered fossilized remains of pterosaurs in various locations around the world, providing valuable insights into their behavior and habitat. Despite their impressive adaptations, pterosaurs faced challenges that ultimately led to their extinction. The end of the Cretaceous period saw significant environmental changes, including volcanic eruptions and climate shifts, which disrupted ecosystems and contributed to the decline of many species, including pterosaurs. Understanding the factors that led to their extinction helps scientists draw parallels with current environmental issues and the importance of biodiversity conservation. In popular culture, pterosaurs often capture the imagination of audiences, appearing in movies, documentaries, and literature. Their majestic flight and prehistoric nature make them symbols of the mysteries of our planet's past. However, it is essential to recognize that pterosaurs were not dinosaurs; they were a separate group of reptiles that coexisted with these iconic creatures. This distinction is crucial for understanding the evolutionary history of life on Earth. In conclusion, the pterosaur is a captivating subject of study that offers a glimpse into the complexity of prehistoric life. From their impressive flying abilities to their diverse diets and eventual extinction, pterosaurs remind us of the dynamic nature of evolution and the ever-changing landscapes of our planet. As we continue to explore and learn about these ancient reptiles, we gain a deeper appreciation for the intricate web of life that has existed long before humans walked the Earth.

对古代生物的研究一直吸引着人类。在这些史前生物中，翼龙是一种令人着迷的飞行爬行动物，它在恐龙时代的天空中翱翔。与鸟类不同，鸟类被归类为鸟纲，翼龙属于一种名为翼龙目的独特爬行动物。这些迷人的生物不仅是空中的主人，而且展示了各种大小和形状，使它们成为中生代时期一个多样化的群体。 翼龙最有趣的方面之一是它们独特的解剖结构。它们拥有由皮肤、肌肉和其他组织组成的长翅膀，这些翅膀从身体延伸到它们的第四根手指。这种适应使它们能够优雅地滑翔，并在广阔的距离上翱翔，以寻找食物。一些物种，如奎兹科亚特尔，翼展可达33英尺，成为有史以来最大的飞行动物之一。 翼龙的饮食因物种而异。有些以鱼为食，利用它们的长喙从水中抓取猎物，而其他则是食腐动物，甚至捕食小型陆生动物。这种饮食多样性展示了它们的适应能力和在地球上生态的重要性。古生物学家在世界各地发现了翼龙的化石遗骸，为它们的行为和栖息地提供了宝贵的见解。 尽管有令人印象深刻的适应能力，翼龙面临着最终导致其灭绝的挑战。白垩纪末期，重大环境变化，包括火山喷发和气候变化，扰乱了生态系统并导致许多物种的衰退，包括翼龙。了解导致它们灭绝的因素帮助科学家们将其与当前环境问题以及生物多样性保护的重要性进行比较。 在流行文化中，翼龙常常吸引观众的想象力，出现在电影、纪录片和文学作品中。它们雄伟的飞行和史前的特性使它们成为我们星球过去神秘的象征。然而，重要的是要认识到，翼龙并不是恐龙；它们是一组与这些标志性生物共存的独特爬行动物。这一区别对于理解地球生命的进化历史至关重要。 总之，翼龙是一个迷人的研究对象，提供了对史前生命复杂性的洞察。从它们令人印象深刻的飞行能力到多样的饮食和最终的灭绝，翼龙提醒我们进化的动态性质以及我们星球不断变化的景观。随着我们继续探索和了解这些古老的爬行动物，我们对在我们人类走上地球之前存在的复杂生命网有了更深的欣赏。