marsupial

简明释义

英[mɑːˈsuːpiəl]美[mɑːrˈsuːpiəl]

adj. [脊椎] 有袋的；袋状的

n. 有袋类动物

复 数 m a r s u p i a l s

英英释义

单词用法

同义词

反义词

例句

1."We found the most gigantic marsupial ever known," he told the BBC.

“我们发现了迄今所知最巨大的有袋动物，”他告诉英国广播公司。

2.He came across the jawbone of a 4.5 million-year-old marsupial.

他偶然发现了一个450万年前的有袋动物的颌骨。

3.The injured marsupial, which underwent surgery at the Melbourne Zoo, is expected to recover.

接受了墨尔本动物园的外科手术，这个受伤的有袋类动物有望康复。

4.Koala: an arboreal Australian marsupial that has dense grayish fur, large ears, and sharp claws and feeds chiefly on the leaves of eucalyptus trees.

树袋熊，考拉：一种澳大利亚树栖有袋动物，长有浓密的灰毛、大耳朵和尖利的爪子，主要以桉树的树叶为食。

5.'the Tasmanian devil is the world's largest carnivorous marsupial.

塔斯马尼亚恶魔是世界上体型最大的食肉有袋动物。

6.This marsupial inhabits the deserts of central Australia where the onset of rains and the resulting sudden growth of vegetation are extremely unpredictable.

这种有袋类动物生活在澳大利亚中部的沙漠中，那里的降雨和植被的突然生长是极其不可预测的。

7.The Dingiso, as the creature is also known, is a forest-dwelling marsupial with bold coloration that spends most of its time on the ground.

白腹树袋熊，作为一种已知的生物，是一种生活在森林里的有袋类动物，大部分时间生活在地面上，它的颜色非常鲜艳。

8.The Tasmanian devil is a small, carnivorous marsupial 有袋动物 from Tasmania.

塔斯马尼亚恶魔是一种来自塔斯马尼亚的小型肉食性marsupial 有袋动物。

9.The opossum is the only marsupial 有袋动物 found in North America.

负鼠是北美唯一的marsupial 有袋动物。

10.Many marsupials 有袋动物 carry their young in pouches.

许多marsupials 有袋动物会把幼崽放在袋子里。

11.Some marsupials 有袋动物 are nocturnal and are active at night.

一些marsupials 有袋动物是夜行性的，晚上活跃。

12.The kangaroo is a well-known marsupial 有袋动物 native to Australia.

袋鼠是澳大利亚著名的marsupial 有袋动物。

作文

The term marsupial refers to a group of mammals that are characterized by their unique reproductive system. Unlike most mammals, which give birth to fully developed young, marsupials give birth to relatively undeveloped offspring that continue to grow and develop outside the womb, typically in a pouch. This distinctive feature is most commonly associated with animals such as kangaroos, koalas, and possums. The marsupial family is primarily found in Australia and New Guinea, although some species can also be found in the Americas.One of the most fascinating aspects of marsupials is their adaptation to various environments. For instance, kangaroos are well-known for their powerful hind legs, which allow them to travel long distances in search of food and water. Their strong tails serve as a counterbalance while hopping, making them incredibly efficient movers across the vast Australian landscape. On the other hand, koalas have adapted to a more sedentary lifestyle, feeding primarily on eucalyptus leaves. Their specialized digestive systems allow them to detoxify the chemicals present in these leaves, making them uniquely suited to their niche.The reproductive process of marsupials is also quite remarkable. After a short gestation period, the tiny, underdeveloped young emerge from the womb and crawl into the mother’s pouch. Here, they latch onto a teat and continue to develop for several months. This pouch provides a safe environment for the young marsupial, protecting them from predators and environmental hazards while they grow stronger.Despite their unique characteristics, marsupials face several challenges in the modern world. Habitat loss due to urbanization and agriculture poses a significant threat to their populations. Additionally, climate change has resulted in altered habitats and food sources, further endangering these animals. Conservation efforts are crucial to ensure that marsupials can thrive in their natural environments. Organizations are working tirelessly to protect their habitats, rehabilitate injured animals, and educate the public about the importance of preserving these unique creatures.In conclusion, marsupials are a fascinating group of mammals that showcase the diversity of evolutionary adaptations in the animal kingdom. Their unique reproductive strategies, coupled with their diverse lifestyles and habitats, make them a vital part of the ecosystem. As we continue to learn more about these extraordinary animals, it is essential to take steps to protect their future. By understanding and appreciating the role of marsupials in our world, we can contribute to their conservation and ensure that future generations can experience the wonder of these remarkable creatures.

术语marsupial指的是一组哺乳动物，其特征在于它们独特的生殖系统。与大多数哺乳动物不同，后者是生下完全发育的幼崽，而marsupials则生下相对不发育的后代，这些后代通常在子宫外继续生长和发育，通常是在一个袋子里。这一独特的特征最常与袋鼠、考拉和负鼠等动物相关联。marsupial家族主要分布在澳大利亚和新几内亚，尽管一些物种也可以在美洲找到。marsupials最引人入胜的方面之一是它们对各种环境的适应。例如，袋鼠因其强大的后腿而闻名，这使它们能够长途跋涉寻找食物和水源。它们强壮的尾巴在跳跃时充当平衡，使它们在广阔的澳大利亚景观中移动非常高效。另一方面，考拉已经适应了更为静态的生活方式，主要以桉树叶为食。它们特殊的消化系统使它们能够解毒这些叶子中存在的化学物质，使它们独特地适应其生态位。marsupials的生殖过程也是相当显著的。在短暂的妊娠期之后，微小的不发育幼崽从子宫中出来，爬进母亲的袋子里。在这里，它们依附在乳头上，继续发育几个月。这个袋子为幼marsupial提供了一个安全的环境，保护它们免受捕食者和环境危害，同时使它们变得更强壮。尽管具有独特的特征，但marsupials在现代世界面临着若干挑战。由于城市化和农业造成的栖息地丧失，对它们的种群构成了重大威胁。此外，气候变化导致栖息地和食物来源发生变化，进一步危及这些动物。保护工作对于确保marsupials能够在其自然环境中繁荣至关重要。各组织正在不懈努力保护它们的栖息地，修复受伤的动物，并教育公众关于保护这些独特生物的重要性。总之，marsupials是一组迷人的哺乳动物，展示了动物王国中进化适应性的多样性。它们独特的生殖策略，加上多样的生活方式和栖息地，使它们成为生态系统的重要组成部分。随着我们对这些非凡动物的了解不断加深，采取措施保护它们的未来至关重要。通过理解和欣赏marsupials在我们世界中的角色，我们可以为它们的保护做出贡献，确保未来的世代能够体验到这些杰出生物的奇迹。