pinniped

简明释义

英[ˈpɪnɪped]美[ˈpɪnəped]

adj. 鳍脚亚目动物的

n. 鳍脚亚目动物

英英释义

单词用法

同义词

反义词

例句

1.The legs were strong and ended in long feet very much like those of a modern pinniped.

它的后肢很强壮，底部有长足，非常像现在的鳍足类动物。

2.As the killer whales moved in, the plucky pinniped leapt on to the vast ribbed belly of a humpback, and nestled in the animal's armpit.

这头杀人鲸游过来的时候，这只勇敢的鳍足类动物跳上了座头鲸庞大的肋腹部，躲在它的腋窝下。

3.The leopard seal is the only pinniped _________ preys on penguins and other seals.

参考译文：美洲虎海豹是仅有的捕食企鹅和其他海豹的鳍足类动物。

4.As the killer whales moved in, the plucky pinniped leapt on to the vast ribbed belly of a humpback, and nestled in the animal's armpit.

这头杀人鲸游过来的时候，这只勇敢的鳍足类动物跳上了座头鲸庞大的肋腹部，躲在它的腋窝下。

5.A group of pinnipeds is often called a colony or a rookery.

一群鳍足类动物通常被称为一个群落或繁殖地。

6.The pinniped family includes seals, sea lions, and walruses.

这个鳍足类动物家族包括海豹、海狮和海象。

7.Many pinnipeds are threatened due to climate change and habitat loss.

由于气候变化和栖息地丧失，许多鳍足类动物面临威胁。

8.Scientists study the behavior of pinnipeds to understand their communication methods.

科学家研究鳍足类动物的行为，以了解它们的沟通方式。

9.In the Arctic, pinnipeds play a crucial role in the ecosystem.

在北极，鳍足类动物在生态系统中扮演着重要角色。

作文

The world of marine mammals is incredibly diverse, with various species adapted to life in the ocean. One fascinating group within this category is known as pinnipeds, which includes seals, sea lions, and walruses. The term pinniped comes from the Latin words 'pinna', meaning fin or flipper, and 'ped', meaning foot. This unique anatomical feature is what distinguishes them from other marine mammals, allowing them to thrive in their aquatic environments.Pinnipeds are characterized by their streamlined bodies and limbs that have evolved into flippers, enabling them to swim efficiently. They are primarily found in cold waters, although some species inhabit warmer regions. The adaptability of pinnipeds to various marine habitats is remarkable. For instance, the harbor seal is commonly seen along the coastlines of North America, while the elephant seal can be found on remote islands in the Pacific Ocean.One of the most intriguing aspects of pinnipeds is their social behavior. Many species are known to gather in large colonies, particularly during the breeding season. Sea lions, for example, are highly social animals that often haul out on rocky shores in groups. This social structure provides protection against predators and allows for complex interactions among individuals. Furthermore, these gatherings are essential for mating rituals and nurturing young pups.In addition to their social dynamics, pinnipeds display a range of vocalizations that facilitate communication within their groups. These sounds can vary significantly between species, with some, like the California sea lion, being quite vocal. Researchers have studied these vocalizations to understand better the social structures and behaviors of pinnipeds.However, the survival of pinneds faces numerous threats, primarily due to human activities. Climate change has led to rising ocean temperatures and melting ice habitats, impacting their food sources. Overfishing also poses a significant risk, as it depletes the fish populations that pinnipeds rely on for sustenance. Additionally, habitat destruction due to coastal development further exacerbates the challenges they face.Conservation efforts are crucial to protect these remarkable creatures. Organizations around the world are working tirelessly to raise awareness about the plight of pinnipeds and advocate for sustainable practices that safeguard their habitats. Marine protected areas have been established in various regions to provide safe havens for these animals, allowing them to thrive without the pressures of human interference.In conclusion, pinnipeds are a vital part of our marine ecosystems, exhibiting remarkable adaptations and social behaviors. Understanding their biology and the challenges they face is essential for ensuring their survival. As stewards of the ocean, we must take action to protect these magnificent creatures and their habitats for future generations to appreciate and enjoy. By fostering a deeper understanding of pinnipeds, we can contribute to their conservation and promote a healthier marine environment overall.

海洋哺乳动物的世界极其多样化，拥有各种适应海洋生活的物种。在这一类别中，有一个迷人的群体被称为鳍脚类动物，包括海豹、海狮和海象。术语鳍脚类动物来源于拉丁词“pinna”，意为鳍或鳍状肢，以及“ped”，意为脚。这一独特的解剖特征使它们与其他海洋哺乳动物区分开来，使它们能够在水生环境中茁壮成长。鳍脚类动物的特点是流线型的身体和进化为鳍状肢的肢体，使它们能够高效游泳。它们主要生活在寒冷的水域，尽管一些物种栖息在温暖的地区。鳍脚类动物对各种海洋栖息地的适应能力令人惊叹。例如，港湾海豹通常可以在北美的海岸线上看到，而大象海豹则可以在太平洋的偏远岛屿上找到。鳍脚类动物最引人入胜的方面之一是它们的社会行为。许多物种在繁殖季节期间会聚集成大群体。例如，海狮是高度社会化的动物，通常成群结队地在岩石海岸上休息。这种社会结构提供了对捕食者的保护，并允许个体之间进行复杂的互动。此外，这些聚会对于交配仪式和抚养幼崽至关重要。除了社会动态，鳍脚类动物还展示了一系列促进群体内沟通的声音。这些声音在物种之间可能有显著差异，有些物种（如加利福尼亚海狮）非常活跃。研究人员研究这些声音，以更好地理解鳍脚类动物的社会结构和行为。然而，鳍脚类动物的生存面临着许多威胁，主要是由于人类活动。气候变化导致海洋温度上升和冰层融化，影响了它们的食物来源。过度捕捞也构成了重大风险，因为它减少了鳍脚类动物赖以生存的鱼类种群。此外，由于沿海开发造成的栖息地破坏进一步加剧了它们面临的挑战。保护工作对保护这些非凡生物至关重要。世界各地的组织正在不懈努力，提高人们对鳍脚类动物困境的认识，并倡导可持续的做法，以保护它们的栖息地。各个地区已建立海洋保护区，为这些动物提供安全的避风港，让它们在没有人类干扰的情况下茁壮成长。总之，鳍脚类动物是我们海洋生态系统的重要组成部分，展现出非凡的适应能力和社会行为。了解它们的生物学及其面临的挑战对于确保它们的生存至关重要。作为海洋的管理者，我们必须采取行动，保护这些宏伟的生物及其栖息地，以便后代欣赏和享受。通过加深对鳍脚类动物的理解，我们可以为它们的保护做出贡献，促进整体更健康的海洋环境。