nocturnal

简明释义

英[nɒkˈtɜːn(ə)l]美[nɑːkˈtɜːrnl]

adj. （动物）夜间活动的；夜间发生的

英英释义

单词用法

同义词

反义词

例句

1.While we may not recall our nocturnal visions, scientists increasingly believe our dreams play an important role in memory and learning.

尽管我们回想不起夜间梦景，科学家日益相信，我们的梦在记忆和学习中起重要作用。

2.They are powerful hunters that travel many miles to find prey, such as elk and wild boar, on nocturnal hunts.

老虎是出色的猎手，可以在夜间迂回数英里捕食诸如驼鹿、野山羊这样的猎物。

3.The nightmare was the nocturnal species of this genus.

“nightmare”就是其中一种出没于夜间的鬼。

4.Skunks are nocturnal animals — it appears to be asleep, and thankfully, its tail is down.

臭鼬是夜行性动物--它看起来像是睡着了，谢天谢地，它的尾巴是垂下来的。

5.In the wild, mice are nocturnal.

在野外环境中，老鼠都在夜间活动进食。

6.The stone marten is a predatory nocturnal mammal with feeding habits similar to those of domestic cats.

岩貂是一种夜间食肉哺乳动物，它的饮食习惯与家猫相似。

7.Roaches are nocturnal so you'll be able to trace where they live if you see one wandering at night.

小强喜欢夜间活动，所以如果你看见一只在晚上出没的话，就可以找出它们住哪。

8.Nocturnal sleep-related eating disorder

夜行性与睡眠相关饮食失调症

9.Set to nocturnal atmospherics, his lyrics tell simple stories.

在夜色里，他的歌词讲述着简单的故事，他的旋律是迷人的情歌。

10.Many species of owls are nocturnal 夜间活动的, making them skilled hunters in the dark.

许多种类的猫头鹰是夜间活动的，使它们在黑暗中成为熟练的猎手。

11.Some plants have nocturnal 夜间开放的 flowers that bloom only at night to attract specific pollinators.

一些植物有夜间开放的花朵，仅在夜间绽放以吸引特定的授粉者。

12.Certain reptiles are nocturnal 夜间活动的 and prefer cooler temperatures to avoid daytime heat.

某些爬行动物是夜间活动的，更喜欢较凉爽的温度以避免白天的高温。

13.The nocturnal 夜间活动的 lifestyle of raccoons allows them to scavenge for food under the cover of darkness.

浣熊的夜间活动的生活方式使它们能够在黑暗中觅食。

14.Bats are known for their nocturnal 夜间活动的 habits, flying out at dusk to hunt for insects.

蝙蝠以其夜间活动的习性而闻名，黄昏时分飞出捕食昆虫。

作文

The world is full of wonders, and one of the most intriguing aspects of nature is the behavior of animals. Among these fascinating creatures, there exists a group known as nocturnal animals. These are the species that thrive during the night, exhibiting unique adaptations that allow them to navigate and survive in darkness. Understanding the characteristics and significance of nocturnal animals can provide us with a deeper appreciation for biodiversity and the complexity of ecosystems.To begin with, nocturnal animals have evolved various physical traits that enable them to see and hunt effectively in low-light conditions. For example, many of these creatures possess large eyes that enhance their ability to gather light. Owls, for instance, are renowned for their exceptional night vision, which allows them to spot prey from great distances. Their eyes contain a high number of rod cells, which are sensitive to dim light, thus enhancing their visual acuity in the dark.In addition to their remarkable eyesight, nocturnal animals often rely on other senses to compensate for reduced visibility. Many species, such as bats, use echolocation to navigate their surroundings and locate food. By emitting high-frequency sounds and listening for the echoes that bounce back, they can create a mental map of their environment. This adaptation not only aids in hunting but also helps them avoid obstacles while flying through the night sky.The behaviors of nocturnal animals are equally fascinating. These creatures have developed specific routines that align with their nighttime activities. For instance, many nocturnal predators, such as raccoons and foxes, take advantage of the cover of darkness to hunt for food. Their stealthy movements and acute senses make them efficient hunters, allowing them to thrive in their respective habitats.Moreover, the nocturnal lifestyle offers several advantages. One significant benefit is reduced competition with diurnal (daytime) animals. By being active at night, nocturnal species can avoid direct competition for resources such as food and shelter. This ecological niche allows them to exploit different food sources that may be less accessible during the day.However, the existence of nocturnal animals also plays a crucial role in maintaining ecological balance. They contribute to pest control by preying on insects and rodents, thus helping to regulate populations of these species. Additionally, nocturnal pollinators, like certain bats and moths, are essential for the reproduction of various plants, ensuring the continuation of diverse plant communities.Despite their importance, nocturnal animals face numerous threats due to habitat loss, pollution, and climate change. Urbanization has encroached upon their natural habitats, leading to decreased food availability and increased human-wildlife conflict. It is vital for conservation efforts to focus on preserving the environments that support these unique creatures.In conclusion, nocturnal animals are a remarkable testament to nature's adaptability and diversity. Their specialized features and behaviors allow them to thrive in the darkness, contributing significantly to the health of ecosystems. As we continue to learn more about these fascinating creatures, it becomes increasingly important to advocate for their protection and ensure that future generations can also marvel at the wonders of our nocturnal world.

世界充满了奇迹，而自然界中最引人入胜的方面之一就是动物的行为。在这些迷人的生物中，有一类被称为夜行性动物。这些是那些在夜间繁荣发展的物种，展现出独特的适应能力，使它们能够在黑暗中导航和生存。理解夜行性动物的特征和重要性，可以让我们更深入地欣赏生物多样性和生态系统的复杂性。首先，夜行性动物进化出了各种身体特征，使它们能够在低光条件下有效地看见和捕猎。例如，许多这些生物拥有较大的眼睛，增强了它们收集光线的能力。比如，猫头鹰以其卓越的夜视能力而闻名，这使它们能够从很远的地方发现猎物。它们的眼睛含有大量的杆细胞，这些细胞对微弱光线敏感，从而增强了它们在黑暗中的视觉敏锐度。除了出色的视力外，夜行性动物通常依靠其他感官来弥补能见度的降低。许多物种，如蝙蝠，利用回声定位来导航周围环境并寻找食物。通过发出高频声音并听取反弹回来的回声，它们可以创建环境的心理地图。这种适应不仅有助于捕猎，还帮助它们在夜空中飞行时避开障碍物。夜行性动物的行为同样令人着迷。这些生物发展了特定的日常活动，与它们的夜间活动相一致。例如，许多夜行性捕食者，如浣熊和狐狸，利用黑暗的掩护来捕猎食物。它们的悄无声息的动作和敏锐的感官使它们成为高效的猎手，使它们能够在各自的栖息地中茁壮成长。此外，夜行性生活方式提供了若干优势。一个显著的好处是与昼行性（白天）动物的竞争减少。通过在夜间活动，夜行性物种可以避免直接争夺资源，如食物和栖息地。这种生态位使它们能够利用在白天可能不易获得的不同食物来源。然而，夜行性动物的存在在维持生态平衡中也发挥着至关重要的作用。它们通过捕食昆虫和啮齿动物来帮助控制害虫，从而帮助调节这些物种的种群。此外，某些蝙蝠和蛾子等夜行性授粉者对于各种植物的繁殖至关重要，确保了多样植物群落的延续。尽管它们的重要性，夜行性动物由于栖息地丧失、污染和气候变化面临着诸多威胁。城市化侵占了它们的自然栖息地，导致食物供应减少和人类与野生动物冲突增加。保护工作必须集中在保护支持这些独特生物的环境上。总之，夜行性动物是自然适应性和多样性的惊人证明。它们的专业特征和行为使它们能够在黑暗中茁壮成长，对生态系统的健康做出了重要贡献。当我们继续了解这些迷人的生物时，倡导保护它们变得愈加重要，以确保未来的世代也能惊叹于我们夜行性世界的奇迹。