flightless

简明释义

英[ˈflaɪtləs]美[ˈflaɪtləs]

adj. （鸟等）不能飞的

英英释义

单词用法

同义词

反义词

例句

1.Small animals such as velociraptors that have generally been thought to be dinosaurs are more likely flightless birds.

像伶盗龙这类一般被视为恐龙的小型动物其实更可能是不能飞的鸟类。

2.The weapon: flightless birds, launched by catapult.

武器是不会飞的小鸟，通过发射机起飞。

3.Zoologists have long wondered where the flightless seabird goes during these long spells away from land.

动物学家长久以来一直好奇这种不会飞的海鸟，离开陆地这么长一段时间内的去向。

4.Do flightless birds have wings?

那些不能飞的鸟类长翅膀吗？

5.Dodos are flightless birds from the late Holocene.

渡渡鸟是全新世晚期不会飞翔的鸟类。

6.Can you outshine the other jesters and entertain the flightless masses?

你能胜过其他的小丑，并且娱乐这群不会飞的群众吗？

7.Flightless bird, jealous, weeping.

折翼之鸟，羡慕，哭泣。

8.Adapted for walking or having limbs adapted for walking. Used of flightless birds.

适于步行的，具步行足的适于步行的或具有适于步行的足的。用于不能飞的鸟类。

9.The ostrich is a large, flightless 不会飞的 bird native to Africa.

鸵鸟是一种大型的不会飞的鸟，原产于非洲。

10.Many species of penguins are flightless 不会飞的 due to their adaptation to life in the water.

许多种类的企鹅是不会飞的，因为它们适应了水中的生活。

11.The kiwi is a unique, flightless 不会飞的 bird found only in New Zealand.

基维鸟是一种独特的不会飞的鸟，仅在新西兰发现。

12.Some ancient birds were also flightless 不会飞的, losing their ability to fly over time.

一些古代鸟类也是不会飞的，随着时间的推移失去了飞行能力。

13.The emu is the second-largest flightless 不会飞的 bird in the world, after the ostrich.

鸸鹋是世界上第二大不会飞的鸟，仅次于鸵鸟。

作文

In the vast expanse of our planet, there exists a remarkable variety of wildlife, including species that have adapted to their environments in unique ways. Among these are birds that are categorized as flightless (不具飞行能力的). While most birds are celebrated for their ability to soar through the skies, flightless (不具飞行能力的) birds have evolved differently, showcasing the incredible adaptability of life on Earth. This essay will explore the characteristics, adaptations, and conservation status of flightless (不具飞行能力的) birds, highlighting their importance in the ecosystem and the challenges they face in a rapidly changing world. One of the most well-known examples of flightless (不具飞行能力的) birds is the ostrich, native to Africa. Ostriches are the largest living birds, capable of running at impressive speeds of up to 45 miles per hour. Their powerful legs are adapted for terrestrial locomotion rather than flight, allowing them to escape predators on land. Similarly, the emu of Australia and the rhea of South America have developed strong legs and a robust body structure, making them well-suited for life on the ground. These adaptations illustrate how flightless (不具飞行能力的) birds have thrived in their respective habitats despite lacking the ability to fly. Another fascinating example is the kiwi, a small, nocturnal bird native to New Zealand. Kiwis possess a unique set of characteristics: they have a long beak, sensitive nostrils, and a keen sense of smell, which they rely on to forage for insects and worms in the ground. The absence of wings in kiwis is a result of their evolutionary history, where they faced fewer predators and found a niche that did not require flight. This highlights the concept of evolution by natural selection, where species adapt to their environments over time. Despite their fascinating adaptations, many flightless (不具飞行能力的) birds are facing significant threats due to habitat loss, invasive species, and climate change. For instance, the flightless albatross, which once thrived on remote islands, is now endangered due to predation by introduced mammals such as rats and cats. Conservation efforts are crucial for protecting these unique species and their habitats. Organizations around the world are working tirelessly to restore ecosystems, control invasive species, and raise awareness about the plight of flightless (不具飞行能力的) birds. In conclusion, flightless (不具飞行能力的) birds are a testament to the diversity of life and the power of adaptation. Their unique characteristics and behaviors provide insight into the evolutionary processes that shape our natural world. However, the challenges they face serve as a reminder of the fragility of ecosystems and the importance of conservation. By understanding and protecting flightless (不具飞行能力的) birds, we not only preserve a vital part of our biodiversity but also ensure the health of our planet for future generations.