pterosaurs

简明释义

英[ˈtɛrəˌsɔːrz]美[ˈtɛrəˌsɔrz]

n. 飞龙目；翼手龙（pterosaur 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.These conditions gave rise to the dinosaurs, pterosaurs, and early crocodilians.

这些条件，引起了恐龙，翼龙，鳄鱼和早期。

2.Moreover, the pterosaurs' legs and wings were stronger than those of any comparable bird or bat, reinforcing the idea that they could leap rapidly into the air.

另外，翼龙的腿和翅膀要比任何可以相提并论的鸟类或蝙蝠都要强壮，这一点强化了它们可以急速腾空的观点。

3.Instead, he says that pterosaurs needed all four limbs for liftoff.

他说翼龙需要使用它们所有的四肢来起飞。

4.The fossil record of the pterosaurs hasgenerally been poor, with little information about their populations, theresearchers say.

本来，翼龙的化石记录就极少，要了解关于它们种群数量的信息则更是难上加难。

5."Early pterosaurs were relatively small, with wing-spans not much bigger than a crow," said Dr Martill.

马提尔博士说：“早期翼龙相对较小，翅展比乌鸦大不了多少。”

6.The wind that made such waves however, might have been too strong for the pterosaurs to control their flight once airborne.

然而，对于翼龙来说，产生这样的海浪的风可能过于强大，一旦在空中飞行，它们就无法控制自己的飞行。

7.The first wrongly assumes that the pterosaurs' hind feet resembled a bat's and could serve as hooks by which the animal could hang in preparation for flight.

第一个（假设）错误地认为翼龙的后脚类似于蝙蝠的后脚，可以作为钩子，用来挂起来准备飞行。

8.The fossil remains of pterosaurs have been found on every continent, indicating their widespread existence during the Mesozoic era.

在每个大陆上都发现了翼龙的化石遗骸，这表明它们在中生代时期广泛存在。

9.Scientists believe that some species of pterosaurs could reach wingspans of over 30 feet.

科学家们认为某些种类的翼龙的翼展可以超过30英尺。

10.Unlike birds, pterosaurs had a unique wing structure formed by a membrane stretched between their elongated fourth finger.

与鸟类不同，翼龙的翅膀结构独特，由延长的第四根手指之间拉伸的膜形成。

11.Some paleontologists specialize in studying the flight mechanics of pterosaurs to understand how they soared through the skies.

一些古生物学家专门研究翼龙的飞行力学，以了解它们是如何在天空中翱翔的。

12.The discovery of new pterosaurs fossils has provided insight into their diverse diets and habitats.

新发现的翼龙化石为它们多样的饮食和栖息地提供了见解。

作文

The study of ancient creatures has always fascinated scientists and enthusiasts alike. Among these remarkable beings are the pterosaurs, a group of flying reptiles that lived during the time of the dinosaurs. Unlike birds, which are warm-blooded and have feathers, pterosaurs were cold-blooded and had a unique wing structure formed by a membrane of skin stretched between their elongated fingers. This adaptation allowed them to soar through the skies, hunting for fish and other prey. The diversity of pterosaurs is astounding; they ranged in size from the small, sparrow-like species to the gigantic Quetzalcoatlus, which had a wingspan of over 30 feet. This enormous size raises questions about how such large animals could achieve flight. Paleontologists have suggested that their lightweight bones and powerful muscles were key factors that enabled pterosaurs to take to the air. Interestingly, pterosaurs were not just limited to one type of diet. Some species were fish-eaters, skimming the surface of the water, while others were scavengers or even predators of small terrestrial animals. This adaptability showcases their ecological importance during the Mesozoic era, where they played a significant role in the food chain. Despite their prominence, pterosaurs faced challenges, especially as the climate changed and competition increased. Their extinction at the end of the Cretaceous period coincided with the demise of the dinosaurs, leading to speculation about the interconnectedness of these events. The fossil record provides insight into their decline, revealing that many species of pterosaurs disappeared, possibly due to habitat loss and changes in available food sources. The fascination with pterosaurs extends beyond their biological characteristics; they have captured the imagination of people around the world. Movies, documentaries, and literature often depict these majestic creatures soaring through prehistoric skies, igniting curiosity and wonder. Furthermore, ongoing research continues to unveil new discoveries about their behavior, physiology, and evolutionary history. In conclusion, pterosaurs were extraordinary creatures that contributed significantly to the biodiversity of their time. Their unique adaptations for flight, diverse diets, and eventual extinction provide valuable lessons about survival and adaptation in a constantly changing environment. As we continue to explore the mysteries of our planet's past, the legacy of pterosaurs will undoubtedly remain a topic of interest for generations to come.

对古代生物的研究一直吸引着科学家和爱好者们的关注。在这些令人瞩目的生物中，有一种叫做翼龙的飞行爬行动物，它们生活在恐龙时代。与鸟类不同，鸟类是温血动物并且有羽毛，而翼龙是冷血动物，并且拥有一种独特的翼结构，由皮肤膜延伸在它们的长指之间。这种适应性使它们能够在空中翱翔，捕猎鱼类和其他猎物。 翼龙的多样性令人惊叹；它们的体型从小型、类似麻雀的物种到巨大的克兹科尔特斯（Quetzalcoatlus），后者的翼展超过30英尺。这种巨大的体型引发了关于如此大型动物如何能够飞行的问题。古生物学家提出，它们轻便的骨骼和强大的肌肉是使翼龙能够飞向天空的关键因素。 有趣的是，翼龙并不仅限于一种食物来源。有些物种以鱼为食，掠过水面，而另一些则是食腐动物，甚至捕猎小型陆地动物。这种适应性展示了它们在中生代时期的生态重要性，在那里它们在食物链中扮演了重要角色。 尽管它们非常显著，但翼龙面临着挑战，尤其是在气候变化和竞争加剧的情况下。它们在白垩纪末期的灭绝与恐龙的灭绝同时发生，引发了关于这些事件之间相互关联的推测。化石记录提供了有关它们衰退的见解，揭示出许多翼龙物种消失，可能是由于栖息地丧失和可用食物来源的变化。 对翼龙的迷恋不仅限于它们的生物特征；它们捕获了全世界人们的想象。电影、纪录片和文学作品常常描绘这些宏伟的生物在史前天空中翱翔，激发了好奇心和惊奇。此外，持续的研究不断揭示关于它们行为、生理和进化历史的新发现。 总之，翼龙是非凡的生物，对它们所处时代的生物多样性做出了重要贡献。它们独特的飞行适应性、多样的饮食以及最终的灭绝提供了关于生存和适应不断变化环境的宝贵教训。随着我们继续探索地球过去的奥秘，翼龙的遗产无疑将成为未来几代人的兴趣话题。