theropod

简明释义

英[ˈθɪərəˌpɒd]美[ˈθɪrəˌpɑːd]

n. 兽脚亚目食肉恐龙，兽脚亚目恐龙

adj. 兽脚亚目恐龙的

英英释义

单词用法

同义词

反义词

例句

1.Here we report an isolated theropod left metatarsal IV (IVPP V 18060) from the upper part of the Shishugou Formation, exposed at the Wucaiwan Locality in the northeastern part of the Junggar Basin.

描述了一件新的采自准噶尔盆地东北缘五彩湾地区石树沟组上部的兽脚类恐龙左第四跖骨标本(IVPPV 18060)。

2.The type of dinosaur that was found is known as a theropod.

这是一种兽脚亚目肉食恐龙。

3.Scientists said they worked out the diet of 90 theropod species and found that a surprisingly large proportion were plant eaters.

科学家称，他们研究了90份肉食性恐龙物种的食谱，并且得出了惊人的发现：这些恐龙大部分都是食草性的。

4.Paleontologists are now carefully studying the closest theropod relatives of birds for clues to how this transition occurred.

古生物学家正在对鸟类的兽脚亚目最近亲进行仔细研究，以寻找这种转化的线索。

5.Perhaps the time has come to finally accept that archaeopteryx was just another small, feathered, bird-like theropod fluttering around in the Jurassic.

可能已经是时候最终接受‘始祖鸟’只是又一只在侏罗纪时期飞来飞去的长有羽毛的像鸟类的小兽脚亚目食肉恐龙了。

6.The feathers most likely belonged to a baby nonavian theropod, meaning it looked more similar to a velociraptor or Tyrannosaurus rex than to a modern bird.

这些羽毛极有可能属于一只年幼的非鸟兽脚类恐龙，意即样子更接近伶盗龙或者暴龙，而非现代鸟类。

7.Some large theropods, like Tyrannosaurus rex, were apex predators in their ecosystems.

一些大型的兽脚类，如暴龙，是其生态系统中的顶级捕食者。

8.Paleontologists study the bone structure of theropods to understand their evolution.

古生物学家研究兽脚类的骨骼结构以了解它们的进化。

9.The fossil record shows a wide variety of theropods from different periods.

化石记录显示了来自不同地质时期的各种兽脚类。

10.The theropod dinosaurs were primarily carnivorous, with sharp teeth and claws.

这些兽脚类恐龙主要是肉食性的，拥有锋利的牙齿和爪子。

11.Scientists believe that birds are modern descendants of theropods.

科学家们认为鸟类是现代的兽脚类后代。

作文

The term theropod refers to a diverse group of bipedal dinosaurs that were primarily carnivorous. These fascinating creatures roamed the Earth during the Mesozoic Era, which spanned from approximately 252 to 66 million years ago. The word theropod is derived from the Greek words 'therion,' meaning beast, and 'pous,' meaning foot, highlighting their distinctive two-legged stance. This unique anatomical feature allowed them to be agile predators, capable of running swiftly to catch prey or evade larger threats.One of the most well-known examples of a theropod is the Tyrannosaurus rex, often simply referred to as T. rex. This massive dinosaur was not only a top predator of its time but also a symbol of the power and ferocity of the theropod lineage. With its sharp teeth, strong jaws, and keen sense of smell, the T. rex dominated its environment. However, theropods were not limited to just large predators; they also included smaller species like Velociraptor, which are believed to have hunted in packs and exhibited complex behaviors.The evolutionary significance of theropods cannot be overstated. They are considered to be the ancestors of modern birds, showcasing a remarkable transition within the dinosaur clade. Fossils have revealed many features that link theropods to avian characteristics, such as feathers, hollow bones, and a unique respiratory system. This connection has led scientists to study theropods extensively to understand the origins of flight and the evolutionary adaptations that allowed birds to thrive.In addition to their physical traits, theropods also exhibit a wide range of behaviors that have been inferred from fossil evidence. Some species likely engaged in complex social interactions, while others may have displayed parental care, as suggested by fossilized nests containing eggs. This behavioral diversity indicates that theropods were more than just simple predators; they had intricate life strategies that contributed to their success as a group.The study of theropods has provided valuable insights into the prehistoric ecosystems in which they lived. By examining their fossils, paleontologists can reconstruct ancient environments and understand the dynamics of predator-prey relationships. For example, the presence of certain theropod fossils alongside herbivorous dinosaurs helps scientists infer the types of vegetation that existed at that time, as well as the ecological roles these animals played.In conclusion, theropods represent a significant chapter in the history of life on Earth. Their evolution from formidable predators to the ancestors of modern birds illustrates the incredible adaptability of life. Studying theropods not only enhances our understanding of dinosaurs but also sheds light on the evolutionary processes that shape the biodiversity we see today. As research continues, new discoveries about theropods will undoubtedly enrich our knowledge of the past and the connections between ancient and modern species.

术语theropod指的是一种多样化的双足恐龙，主要以肉食为主。这些迷人的生物在大约2.52亿到6600万年前的中生代时期漫游地球。theropod这个词源于希腊语中的“therion”，意为野兽，以及“pous”，意为脚，突显了它们独特的两腿行走姿态。这一独特的解剖特征使它们成为敏捷的捕食者，能够迅速奔跑以捕捉猎物或躲避更大的威胁。其中一个最著名的theropod例子是霸王龙（Tyrannosaurus rex），通常简称为T. rex。这种巨大的恐龙不仅是其时代的顶级捕食者，也是theropod谱系力量和凶猛的象征。凭借锋利的牙齿、强壮的下颚和敏锐的嗅觉，T. rex主宰了它的环境。然而，theropods并不局限于大型捕食者；它们还包括像迅猛龙（Velociraptor）这样的较小物种，这些物种被认为是成群结队捕猎，并表现出复杂的行为。theropods的进化意义不可低估。它们被认为是现代鸟类的祖先，展示了恐龙类内的显著转变。化石揭示了许多将theropods与鸟类特征联系起来的特征，例如羽毛、中空骨骼和独特的呼吸系统。这一联系促使科学家们广泛研究theropods，以理解飞行的起源和使鸟类繁荣的进化适应。除了它们的身体特征外，theropods还表现出从化石证据推断出的广泛行为。一些物种可能参与复杂的社会互动，而另一些物种可能表现出父母关怀，这一点可以从含有卵的化石巢穴中看出。这种行为多样性表明，theropods不仅仅是简单的捕食者；它们拥有复杂的生活策略，促进了作为一个群体的成功。对theropods的研究提供了对它们生活的史前生态系统的宝贵见解。通过检查它们的化石，古生物学家可以重建古代环境并了解捕食者与猎物之间的动态关系。例如，某些theropod化石与食草恐龙的存在帮助科学家推断出当时存在的植被类型以及这些动物所扮演的生态角色。总之，theropods代表了地球生命历史中的重要一章。它们从强大的捕食者演变为现代鸟类的祖先，展示了生命的惊人适应性。研究theropods不仅增强了我们对恐龙的理解，还阐明了塑造今天生物多样性的进化过程。随着研究的持续，对theropods的新发现无疑会丰富我们对过去的知识以及古代与现代物种之间的联系。