bipedality

简明释义

英[ˌbaɪpɪˈdælɪti]美[ˌbaɪpɪˈdæləti]

双足

英英释义

单词用法

同义词

反义词

例句

1.One theory is that bipedality evolved in conjunction with the nuclear family: monogamous parents cooperating to care for their offspring.

有一种理论认为，两足动物的进化与核心家庭有关：一夫一妻制的父母合作照顾他们的后代。

2.If it turns out that the big two - bipedality and nakedness - arose at roughly the same time, that might shift the balance of probability some little way toward Hardy.

假如两大特征——两足动物和无毛发——结果是差不多同时出现的话，那么可能性的天平就会略微倾向于哈代了。

3.If it turns out that the big two - bipedality and nakedness - arose at roughly the same time, that might shift the balance of probability some little way toward Hardy.

假如两大特征——两足动物和无毛发——结果是差不多同时出现的话，那么可能性的天平就会略微倾向于哈代了。

4.Bipedality made a big difference in a hostile and unforgiving world.

在一个敌对而无情的世界里，能否用两足行走有很大的区别。

5.In robotics, achieving bipedality 双足行走 is a significant challenge for creating humanoid robots.

在机器人技术中，实现双足行走是创造类人机器人面临的重大挑战。

6.Many animals have adapted to bipedality 双足行走 to improve their ability to travel long distances.

许多动物已经适应了双足行走以提高它们长途旅行的能力。

7.The transition to bipedality 双足行走 is considered a key factor that set early humans apart from other primates.

向双足行走的过渡被认为是早期人类与其他灵长类动物区别开来的关键因素。

8.The fossil evidence suggests that bipedality 双足行走 evolved over millions of years.

化石证据表明，双足行走经历了数百万年的演化。

9.The study of human evolution often highlights the importance of bipedality 双足行走 in our development as a species.

人类进化的研究通常强调双足行走在我们作为一个物种发展中的重要性。

作文

Bipedality, defined as the ability to walk on two legs, is a significant evolutionary adaptation that has allowed humans and many other species to thrive in diverse environments. The development of bipedality (双足行走能力) marks a crucial transition in the evolutionary history of our ancestors, enabling them to cover larger distances, use their hands for tool-making, and interact with their surroundings in complex ways. This essay will explore the implications of bipedality (双足行走能力) for human evolution, its advantages, and how it differentiates us from other species.Historically, the shift from quadrupedalism to bipedality (双足行走能力) is believed to have occurred around six to seven million years ago. Early hominins, such as Australopithecus, exhibited traits that indicated a transition towards walking upright. This adaptation was not merely physical; it also had profound effects on social structures, foraging strategies, and even cognitive development. By standing upright, early humans could see over tall grasses, spot potential predators, and communicate more effectively with one another.One of the primary advantages of bipedality (双足行走能力) is energy efficiency. Walking on two legs requires less energy than moving on all fours, especially over long distances. This efficiency would have been crucial for early humans who needed to travel vast areas in search of food and resources. Additionally, bipedality (双足行走能力) freed up the hands for carrying objects, using tools, and performing intricate tasks. This ability to manipulate the environment played a significant role in the advancement of technology and culture.Furthermore, bipedality (双足行走能力) has implications for human anatomy. The skeletal structure of bipedal organisms is uniquely adapted to support upright walking. For instance, the shape of the pelvis, the alignment of the spine, and the structure of the legs are all designed to enhance stability and balance. However, this adaptation also comes with challenges; for example, the human spine is more prone to injuries and degenerative diseases compared to the spines of quadrupedal animals. Despite these challenges, the benefits of bipedality (双足行走能力) have outweighed the drawbacks, allowing humans to become one of the most successful species on the planet.In addition to physical advantages, bipedality (双足行走能力) has also influenced social behavior and communication. Standing upright allows for better visual signaling and non-verbal communication, which are essential aspects of human interaction. The ability to gesture and display emotions becomes more pronounced when individuals can use their arms and hands freely. This capacity for complex communication likely played a vital role in the development of social bonds and cooperative behaviors among early humans.In conclusion, bipedality (双足行走能力) is a defining characteristic of human evolution that has provided numerous advantages, from energy efficiency and tool use to enhanced social interactions. As we continue to study our evolutionary past, it becomes increasingly clear that the ability to walk on two legs has shaped not only our physical form but also our culture and society. Understanding bipedality (双足行走能力) helps us appreciate the intricacies of human evolution and the remarkable journey that has led us to where we are today.