spiracle

简明释义

英[ˈspaɪrək(ə)l]美[ˈspɪrəkəl;ˈspaɪrəkəl]

n. [脊椎] 喷水孔；[无脊椎] 气门；呼吸孔

英英释义

单词用法

同义词

反义词

例句

1.The interior paint is high high-performance hot glue , which may be collocated to the spiracle for air charging test .

内涂高性能热熔胶，可配用于充气检测的气门；

2.The interior paint is high high-performance hot glue , which may be collocated to the spiracle for air charging test .

内涂高性能热熔胶，可配用于充气检测的气门；

3.They are in ably silty in build slimy house, open a spiracle in corresponding place only, this.

它们巧妙地在淤泥中构筑泥屋，仅在相应的地方开一个呼吸孔，这。

4.The spiracle on the whale allows it to expel air when surfacing.

鲸鱼的气孔使它在浮出水面时能够排出空气。

5.Fish have a different respiratory system, but some species have a spiracle behind their eyes.

鱼类有不同的呼吸系统，但一些物种在眼睛后面有一个气孔。

6.The insect uses its spiracle to breathe air through its exoskeleton.

昆虫通过它的气孔从外骨骼中呼吸空气。

7.Insects can control the opening and closing of their spiracles to regulate water loss.

昆虫可以控制其气孔的开合，以调节水分流失。

8.The spiracle serves as an essential part of the respiratory system in many arthropods.

在许多节肢动物中，气孔是呼吸系统的重要组成部分。

作文

In the vast realm of biology, the study of organisms often reveals fascinating adaptations that enable survival in diverse environments. One such adaptation can be found in certain species of insects and aquatic animals: the presence of a structure known as a spiracle. A spiracle is defined as a small opening or pore through which air enters and exits the body. In insects, these openings are typically located along the sides of the abdomen and thorax, allowing for efficient gas exchange without the need for lungs as seen in vertebrates.The role of spiracles becomes particularly crucial in understanding how insects breathe. Unlike mammals that utilize a diaphragm to facilitate breathing, insects rely on a system of tracheae—tiny tubes that transport oxygen directly to their tissues. The spiracles serve as the entry points for air into this intricate network. When an insect opens its spiracles, air rushes in, filling the tracheal system and enabling cellular respiration. This method of breathing is highly efficient for small organisms, as it allows them to meet their oxygen needs without the energy expenditure required for more complex respiratory systems.Interestingly, spiracles also play a protective role. In many insects, these openings can be closed to prevent water loss, which is particularly important for those living in arid environments. By regulating the opening and closing of their spiracles, insects can maintain their internal moisture levels, thereby enhancing their chances of survival in harsh habitats.Moreover, the concept of spiracles extends beyond the insect world. In aquatic animals like fish, similar structures exist that allow for the exchange of gases in water. Although fish primarily use gills for respiration, some species possess spiracles that aid in drawing water over their gills, especially when they are resting on the ocean floor or when their gills are obstructed by sediment. This adaptation showcases the versatility of spiracles across different species and environments.The study of spiracles not only enhances our understanding of insect physiology but also sheds light on evolutionary adaptations. As organisms evolve to occupy various ecological niches, their respiratory systems have adapted in unique ways. The presence of spiracles in insects is a testament to the remarkable diversity of life and the innovative solutions nature has devised to address the challenges of respiration.In conclusion, the spiracle is a vital component of the respiratory system in many organisms, particularly insects. Its function as an entry point for air and its ability to regulate moisture levels underscore its importance in the survival of these creatures. By studying spiracles, we gain insights into the complexities of biological systems and the evolutionary processes that shape them. Understanding such adaptations not only enriches our knowledge of biology but also inspires us to appreciate the intricate connections between form, function, and the environment in the natural world.

在生物学的广阔领域中，研究生物体常常揭示出有趣的适应性，使其能够在多样的环境中生存。其中一种适应性可以在某些昆虫和水生动物中找到：存在一种叫做spiracle的结构。spiracle被定义为一个小开口或孔，通过它空气进入和离开身体。在昆虫中，这些开口通常位于腹部和胸部的两侧，允许在不需要像脊椎动物那样的肺的情况下进行有效的气体交换。spiracle的作用在理解昆虫如何呼吸时变得尤为重要。与利用膈肌进行呼吸的哺乳动物不同，昆虫依靠气管系统——微小的管道，直接将氧气运输到其组织。spiracle作为空气进入这一复杂网络的入口。当昆虫打开其spiracle时，空气涌入，填满气管系统，从而使细胞呼吸成为可能。这种呼吸方式对于小型生物来说是非常高效的，因为它使它们能够满足氧气需求，而不需要更复杂的呼吸系统所需的能量支出。有趣的是，spiracle也发挥着保护作用。在许多昆虫中，这些开口可以关闭，以防止水分流失，这对于生活在干旱环境中的昆虫尤其重要。通过调节spiracle的开合，昆虫可以保持其内部水分水平，从而增强在恶劣栖息地中生存的机会。此外，spiracle的概念不仅限于昆虫世界。在鱼类等水生动物中，类似的结构存在，允许在水中进行气体交换。尽管鱼类主要依靠鳃进行呼吸，但某些物种具有spiracle，可以在它们休息在海底或当其鳃被沉积物阻塞时，帮助将水抽过其鳃。这种适应性展示了spiracle在不同物种和环境中的多样性。对spiracle的研究不仅增强了我们对昆虫生理学的理解，还揭示了进化适应性。随着生物体进化以占据各种生态位，它们的呼吸系统以独特的方式适应了环境。昆虫中spiracle的存在证明了生命的惊人多样性以及自然为应对呼吸挑战所设计的创新解决方案。总之，spiracle是许多生物体，特别是昆虫呼吸系统的重要组成部分。它作为空气入口的功能及其调节水分水平的能力强调了其在这些生物体生存中的重要性。通过研究spiracle，我们获得了对生物系统复杂性的洞察，并了解塑造这些系统的进化过程。理解这种适应性不仅丰富了我们对生物学的知识，也激励我们欣赏自然界中形态、功能和环境之间的复杂联系。