tetrapod

简明释义

英[ˈtetrəˌpɒd]美[ˈtetrəˌpɑːd]

n. 四足动物；（有四足支撑的）四脚物

adj. 四足动物的

英英释义

单词用法

同义词

反义词

例句

1.And the fusing of bones making up the lower jaw fortified this region, facilitating the presumed" buccal pump" mode of tetrapod ventilation.

下颔部位骨头的愈合也加强支撑力，帮助可能以口部当做帮浦的形式换气。

2.JENNIFER A. CLACK, a Reader in vertebrate paleontology and doctor of science at the University of Cambridge, has been studying tetrapod origins for 25 years.

克拉克是英国剑桥大学的科学博士与脊椎动物古生物学的高级讲师，研究四足动物起源已超过25年。

3.In the study on manufacture of the composites, tetrapod-like ZnO whiskers, PAV and PMMA, water and toluene, are employed as conductive fillers, matrix materials and solvents respectively.

实验研究工作以四针状氧化锌晶须为填料，以聚乙烯醇和聚甲基丙烯酸甲酯为基体，以水和甲苯为溶剂，制备出了性能良好的导电膜。

4.Of all the traditional cauldrons (ding) since the Shang Dynasty, only rectangular cauldrons, such as the famous Simuwu tetrapod of the Shang Dynasty, have flat bottoms.

商朝以来传统鼎的形制中，只有方鼎为平底，如商代著名的司母戊大方鼎。

5.Although biologists can easily induce extra limbs to grow on the flank of a tetrapod this cannot be done in the neck.

虽然生物学家能轻易让四足动物在侧腹长出额外的肢，在颈部却做不到。

6.The common ancestor of whales and of all other land animals was a flatheaded, salamander -shaped tetrapod that hauled itself out of the sea onto some muddy bank about 360 million years ago.

鲸和其他陆地动物的共同祖先是平头蝾螈形四足动物，大约与3.6亿年前，他们拖着（笨重）身躯，离开大海，爬上泥泞岸边。

7.Although biologists can easily induce extra limbs to grow on the flank of a tetrapod, this cannot be done in the neck.

虽然生物学家能轻易让四足动物在侧腹长出额外的肢，在颈部却做不到。

8.The common ancestor of whales and of all other land animals was a flatheaded, salamander -shaped tetrapod that hauled itself out of the sea onto some muddy bank about 360 million years ago.

鲸和其他陆地动物的共同祖先是平头蝾螈形四足动物，大约与3.6亿年前，他们拖着（笨重）身躯，离开大海，爬上泥泞岸边。

9.New process flow of the tetrapod-like zinc oxide whisker (T-ZnOw) is investigated and expert device is designed in this paper.

提出了新的四针状氧化锌晶须的生产工艺及流程，设计了专门的研究装置。

10.The evolution of the tetrapod 四足动物 marked a significant transition from water to land.

四足动物的进化标志着从水到陆地的重大转变。

11.Dinosaurs were a diverse group of tetrapods 四足动物 that roamed the Earth millions of years ago.

恐龙是数百万年前在地球上漫游的多样化四足动物群体。

12.Birds are modern tetrapods 四足动物 that evolved from theropod dinosaurs.

鸟类是现代四足动物，源自兽脚类恐龙。

13.The fossil record provides insight into the characteristics of early tetrapods 四足动物.

化石记录提供了对早期四足动物特征的深入理解。

14.Amphibians are considered the first true tetrapods 四足动物 to inhabit terrestrial environments.

两栖动物被认为是第一批真正居住在陆地环境中的四足动物。

作文

The term tetrapod refers to a group of animals that have four limbs. This classification includes a wide variety of species, from amphibians and reptiles to birds and mammals. The evolutionary significance of tetrapods cannot be overstated, as they represent a critical transition from aquatic to terrestrial life. Understanding the characteristics and adaptations of tetrapods provides insight into how life on Earth has evolved over millions of years.One of the most fascinating aspects of tetrapods is their anatomical structure. All tetrapods share a common skeletal framework that supports four limbs, which are adapted for various functions depending on the environment. For instance, while frogs use their limbs for jumping and swimming, elephants rely on their sturdy legs for walking and carrying heavy loads. This diversity in limb function illustrates the adaptability of tetrapods to different ecological niches.The evolution of tetrapods can be traced back to ancient fish that began to venture onto land approximately 375 million years ago. These early ancestors developed limbs that allowed them to navigate through shallow waters and eventually on solid ground. The transition from water to land was not without challenges; tetrapods had to adapt to new environmental conditions, including breathing air and regulating body temperature. This remarkable journey of adaptation highlights the resilience and ingenuity of life.In addition to their physical adaptations, tetrapods also exhibit a wide range of behavioral traits. For example, many tetrapods engage in complex social interactions, such as mating rituals and parental care. Birds, for instance, often perform elaborate courtship displays to attract mates, while mammals may exhibit nurturing behaviors toward their young. These behaviors are essential for the survival of species and demonstrate the intricate relationships between tetrapods and their environments.Furthermore, the study of tetrapods has significant implications for conservation efforts. Many species of tetrapods face threats from habitat loss, climate change, and pollution. By understanding the biology and ecology of these animals, scientists can develop strategies to protect their habitats and ensure their survival. Conservation initiatives often focus on preserving biodiversity, which is crucial for maintaining healthy ecosystems.In conclusion, the concept of tetrapod encompasses a diverse group of animals that have played a vital role in the history of life on Earth. From their unique anatomical features to their behavioral complexities, tetrapods offer a fascinating glimpse into the evolutionary process. As we continue to study and learn about these remarkable creatures, it becomes increasingly important to prioritize their conservation and protect the rich biodiversity they represent. By doing so, we not only safeguard the future of tetrapods but also the health of our planet as a whole.

术语四足动物指的是一类具有四肢的动物。这一分类包括了多种物种，从两栖动物和爬行动物到鸟类和哺乳动物。四足动物的进化意义不容小觑，因为它们代表了从水生到陆生生命的重要转变。理解四足动物的特征和适应能力，有助于我们深入了解地球生命在数百万年间是如何演变的。四足动物最引人注目的一个方面是它们的解剖结构。所有四足动物共享一种共同的骨骼框架，支持着四肢，这些四肢根据环境的不同而适应了多种功能。例如，青蛙利用其四肢进行跳跃和游泳，而大象则依靠其结实的腿行走和承载重物。这种四肢功能的多样性展示了四足动物对不同生态位的适应能力。四足动物的进化可以追溯到大约3.75亿年前开始冒险上岸的古代鱼类。这些早期祖先发展出了能够在浅水中和最终在坚固地面上移动的四肢。从水到陆地的转变并非没有挑战；四足动物必须适应新的环境条件，包括呼吸空气和调节体温。这一适应之旅的显著性突显了生命的韧性和创造力。除了身体上的适应外，四足动物还表现出广泛的行为特征。例如，许多四足动物参与复杂的社会互动，如求偶仪式和亲子照顾。例如，鸟类常常为了吸引配偶而进行华丽的求偶表演，而哺乳动物可能会对幼崽表现出养育行为。这些行为对物种的生存至关重要，并展示了四足动物与其环境之间错综复杂的关系。此外，四足动物的研究对保护工作具有重要意义。许多四足动物面临栖息地丧失、气候变化和污染等威胁。通过理解这些动物的生物学和生态学，科学家们可以制定保护其栖息地和确保其生存的策略。保护倡议通常专注于保护生物多样性，这对维持健康的生态系统至关重要。总之，四足动物的概念涵盖了一类在地球生命历史中发挥了重要作用的多样动物。从它们独特的解剖特征到行为的复杂性，四足动物为我们提供了对进化过程的迷人洞察。随着我们继续研究和了解这些非凡生物，优先考虑它们的保护并保护它们所代表的丰富生物多样性变得越来越重要。通过这样做，我们不仅能保障四足动物的未来，还能维护我们整个星球的健康。