elytra

简明释义

英[ˈelɪtrə]美[ˈelɪtrə]

n. 翅鞘；翅基（elytron 的复数）

英英释义

单词用法

同义词

反义词

例句

1.When the mist arrives, O. unguicularis tilts its body forward into the wind, and moisture rolls down its fused elytra into its mouth.

当雾气来袭，沐雾甲虫会把身体前倾入风中，好让水气顺著黏合的翅鞘滚入口中。

2.When the mist arrives, O. unguicularis tilts its body forward into the wind, and moisture rolls down its fused elytra into its mouth.

当雾气来袭，沐雾甲虫会把身体前倾入风中，好让水气顺著黏合的翅鞘滚入口中。

3.Rocket-propelled elytra flight is finally here!

火箭驱动的鞘翅飞行终于到来了！

4.The beetle's elytra 鞘翅 protected its delicate wings underneath.

甲虫的elytra 鞘翅 保护了其下面脆弱的翅膀。

5.Scientists study the elytra 鞘翅 of various insects to understand their evolutionary adaptations.

科学家研究各种昆虫的elytra 鞘翅 以了解它们的进化适应性。

6.The bright colors of the elytra 鞘翅 can serve as a warning to predators.

鲜艳的elytra 鞘翅 颜色可以作为对捕食者的警告。

7.When the ladybug flies, it lifts its elytra 鞘翅 to reveal its functional wings.

当瓢虫飞行时，它会抬起它的elytra 鞘翅，以露出其功能性翅膀。

8.The elytra 鞘翅 of some species are hard and glossy, providing excellent protection.

某些物种的elytra 鞘翅 硬且光滑，提供了极好的保护。

作文

The fascinating world of insects is filled with remarkable adaptations that allow these creatures to thrive in various environments. One such adaptation is the presence of elytra, which are the hardened forewings found in many beetles and some other insects. These protective coverings serve several vital functions that contribute to the survival and success of these species. Understanding the role of elytra can provide insights into the incredible diversity and complexity of insect life. Firstly, the primary function of elytra is to protect the delicate hind wings and the body of the insect. Insects like beetles possess a unique anatomy where the elytra act as a shield against physical damage and environmental hazards. For instance, when a beetle is threatened by predators or encounters rough terrain, the elytra can withstand impacts and prevent injury to the more vulnerable parts of the insect. Moreover, elytra play a crucial role in waterproofing. Many insects live in moist environments or even aquatic habitats, and the elytra help to keep the insect dry. This is particularly important for survival, as excessive moisture can lead to desiccation or drowning. The structure of the elytra is designed to repel water, allowing beetles to navigate through wet conditions without compromising their safety. In addition to protection and waterproofing, elytra also contribute to the insect's ability to fly. While they are primarily known for their protective function, elytra must be lifted to allow the hind wings to unfold during flight. This unique mechanism showcases the evolutionary innovation of insects, as it allows them to transition seamlessly between protection and mobility. When a beetle takes off, it raises its elytra, revealing the membranous wings underneath, which then provide the necessary lift for flight. Furthermore, the coloration and patterns found on elytra can serve as a form of communication and camouflage. Many beetles exhibit vibrant colors and intricate designs on their elytra, which can attract mates or warn potential predators of their toxicity. Conversely, some beetles have evolved to have cryptic coloration that helps them blend into their surroundings, making it harder for predators to spot them. This dual role of elytra in both display and concealment highlights the complexity of insect behavior and evolution. In conclusion, elytra are an essential feature of many insects, particularly beetles. Their protective, waterproofing, and functional roles in flight illustrate the remarkable adaptations that insects have developed over millions of years. By studying elytra and their various functions, we can gain a deeper appreciation for the intricacies of insect life and the evolutionary processes that shape the natural world. As we continue to explore the diverse realms of biology, the study of structures like elytra reminds us of the beauty and complexity that exists within even the smallest organisms.

昆虫的迷人世界充满了令人惊叹的适应性，这使得这些生物能够在各种环境中生存。其中一种适应性是许多甲虫和其他一些昆虫的硬化前翅，称为elytra。这些保护性的覆盖物具有几个重要功能，有助于这些物种的生存和成功。理解elytra的作用可以让我们深入了解昆虫生命的惊人多样性和复杂性。 首先，elytra的主要功能是保护昆虫的脆弱后翅和身体。像甲虫这样的昆虫具有独特的解剖结构，elytra充当了物理损伤和环境危害的屏障。例如，当甲虫受到捕食者威胁或遇到崎岖地形时，elytra能够承受冲击，防止昆虫更脆弱部分的受伤。 此外，elytra在防水方面也起着至关重要的作用。许多昆虫生活在潮湿的环境中，甚至是水生栖息地，而elytra有助于保持昆虫的干燥。这对于生存尤其重要，因为过多的水分可能导致脱水或淹死。elytra的结构设计用于排斥水分，使甲虫能够在潮湿条件下安全导航而不妨碍自身安全。 除了保护和防水之外，elytra还促进了昆虫的飞行能力。虽然它们主要以保护功能而闻名，但elytra必须被抬起，以便允许后翅在飞行时展开。这种独特的机制展示了昆虫的进化创新，因为它使它们能够在保护和移动之间无缝过渡。当甲虫起飞时，它抬起elytra，露出下面的膜翅，然后提供必要的升力以实现飞行。 此外，elytra上的颜色和图案可以作为一种交流和伪装的形式。许多甲虫在其elytra上表现出鲜艳的颜色和复杂的设计，这可以吸引配偶或警告潜在捕食者其毒性。相反，一些甲虫进化出隐蔽的颜色，使它们能够融入周围环境，从而使捕食者更难发现它们。这种elytra在展示和隐藏中的双重角色突显了昆虫行为和进化的复杂性。 总之，elytra是许多昆虫，特别是甲虫的重要特征。它们在保护、防水和飞行功能中的角色展示了昆虫在数百万年中发展出的非凡适应性。通过研究elytra及其各种功能，我们可以更深入地欣赏昆虫生命的复杂性以及塑造自然世界的进化过程。在我们继续探索生物学的多样领域时，对像elytra这样的结构的研究提醒我们，即使在最小的生物中，也存在着美丽和复杂性。