echidnas

简明释义

英[ɪˈkɪdnəz]美[ɪˈkɪdnəz]

n. [脊椎]针鼹（echidna 的复数）

英英释义

单词用法

同义词

反义词

例句

1.The theory seems plausible for platypuses, which are amphibious creatures. Echidnas, however, dwell solely on land.

这个理论对两栖的鸭嘴兽来说有些道理，然而针鼹却是完全陆生的动物。

2.The theory seems plausible for platypuses, which are amphibious creatures. Echidnas, however, dwell solely on land.

这个理论对两栖的鸭嘴兽来说有些道理，然而针鼹却是完全陆生的动物。

3.In Australia, people often see echidnas (针鼹) foraging for ants and termites.

在澳大利亚，人们常常看到echidnas（针鼹）觅食蚂蚁和白蚁。

4.The echidnas (针鼹) are known for their spiky quills that protect them from predators.

echidnas（针鼹）以其刺状的刺而闻名，这可以保护它们免受捕食者的攻击。

5.During a nature walk, we were excited to spot an echidna (针鼹) waddling across the path.

在一次自然徒步旅行中，我们很高兴看到一只echidna（针鼹）摇摇晃晃地穿过小路。

6.The diet of echidnas (针鼹) mainly consists of insects, particularly ants.

echidnas（针鼹）的饮食主要由昆虫组成，尤其是蚂蚁。

7.Unlike most mammals, echidnas (针鼹) lay eggs instead of giving birth to live young.

与大多数哺乳动物不同，echidnas（针鼹）是下蛋，而不是生育活仔。

作文

Echidnas are fascinating creatures that belong to the monotreme family, which is a group of egg-laying mammals. These unique animals are often referred to as spiny anteaters due to their spiky fur and long snouts. The scientific name for the common echidna is Tachyglossus aculeatus, and they can be found in various regions, including Australia and New Guinea. Understanding the biology and behavior of echidnas (针鼹) can provide valuable insights into the evolution of mammals and their adaptation to different environments. One of the most interesting aspects of echidnas (针鼹) is their reproductive process. Unlike most mammals, echidnas (针鼹) lay eggs rather than giving birth to live young. After mating, a female echidna (针鼹) will lay one or two eggs, which she incubates in a pouch-like structure on her belly. This unique method of reproduction is one of the characteristics that set echidnas (针鼹) apart from other mammals, highlighting their ancient lineage. In addition to their reproductive habits, echidnas (针鼹) have adapted remarkably well to their environment. They are primarily insectivorous, feeding on ants and termites by using their long, sticky tongues. Their spiny fur not only provides protection from predators but also helps them blend into their surroundings, making it easier to avoid detection. When threatened, echidnas (针鼹) can curl into a ball, with their spines acting as a deterrent against potential threats. Another notable feature of echidnas (针鼹) is their ability to regulate body temperature. Unlike most mammals that maintain a constant internal temperature, echidnas (针鼹) are more ectothermic, meaning their body temperature can fluctuate with the environment. This adaptation allows them to survive in various climates, from the cold mountains of Australia to the warmer coastal areas. The conservation status of echidnas (针鼹) is generally stable, but they face threats from habitat destruction and climate change. As humans continue to encroach on their natural habitats, it is essential to raise awareness about the importance of preserving these unique creatures. Conservation efforts, such as habitat restoration and protection, play a crucial role in ensuring the survival of echidnas (针鼹) and their ecosystems. In conclusion, echidnas (针鼹) are remarkable animals that exhibit unique characteristics distinguishing them from other mammals. Their egg-laying reproductive system, specialized diet, and adaptations to their environment make them a subject of interest for scientists and nature enthusiasts alike. By understanding and appreciating the role of echidnas (针鼹) in our ecosystem, we can contribute to their conservation and ensure that future generations can enjoy the wonders of these incredible creatures.