operculum

简明释义

英[əʊˈpɜːkjʊləm]美[oˈpɜːrkjʊləm]

n. [昆] 盖；鳃盖

复 数 o p e r c u l a 或 o p e r c u l u m s

英英释义

单词用法

同义词

反义词

例句

1.Scientists sat McGill University in Canada found that if left anterior operculum and the left superior temporal gyrus communicate more with each other at rest, then language learning is easier.

加拿大麦吉尔大学的研究人员发现，在大脑处于休息的状态下，左侧额前回与左侧颞叶上回之间的交流越多，语言学习就会越容易。

2.Scientists sat McGill University in Canada found that if left anterior operculum and the left superior temporal gyrus communicate more with each other at rest, then language learning is easier.

加拿大麦吉尔大学的研究人员发现，在大脑处于休息的状态下，左侧额前回与左侧颞叶上回之间的交流越多，语言学习就会越容易。

3.Scientists at McGill University in Canada found that if left anterior operculum and the left superior temporal gyrus communicate more with each other at rest, then language learning is easier.

加拿大麦吉尔大学的研究人员发现，在大脑处于休息的状态下，左侧额前回与左侧颞叶上回之间的交流越多，语言学习就会越容易。

4.A screw gear type differential mechanism includes a differential carrier, an operculum, a main reducing gear driven gear, left and right half axis gears, etc.

本螺旋齿轮式差速器，包括有差速器壳、壳盖，主减速器从动齿轮，左右各一个半轴齿轮等。

5.The researchers say this part of Einstein's brain was different in another way. It lacked a structure called the parietal operculum.

研究人员说，爱因斯坦大脑的这一部分在另一方面也不相同，它缺少顶盖。

6.An alternative treatment involving removal of the operculum, called operculectomy, has been advocated.

也有人主张另一种可供选择的治疗方法就是只移除盲袋的龈盖去除术。

7.Cells in the right parietal operculum operate as we act in response to other's gestures.

当我们对他人的手势作出反应时，起作用的是我们右顶骨的细胞。

8.The contact between the operculum and the shell appears to be uneven but not indented.

卵盖与卵壳连接处虽不很整齐，但并不呈锯齿状。

9.Teeth covered by an operculum can be difficult to clean with a toothbrush.

被盲袋覆盖的牙齿很难用牙刷清理。

10.If you do, and must return your good wishes and happy operculum laugh!

如果你做到了，回报你的一定是美好的祝愿，幸福的笑厣！

11.The fish uses its operculum to regulate water flow over its gills.

鱼使用它的盖膜来调节水流经过鳃。

12.In some species, the operculum is brightly colored, serving as a warning to predators.

在某些物种中，盖膜颜色鲜艳，作为对捕食者的警告。

13.The operculum helps protect the gills from debris and predators.

盖膜帮助保护鳃免受杂物和捕食者的侵害。

14.During respiration, the operculum opens and closes to facilitate breathing.

在呼吸过程中，盖膜开合以促进呼吸。

15.Some amphibians have a reduced operculum compared to fish.

与鱼类相比，一些两栖动物的盖膜有所减少。

作文

The term operculum refers to a structure that covers or closes an opening in various biological systems. In the realm of biology, it is most commonly associated with fish and certain types of mollusks. For instance, in fish, the operculum is a bony flap that protects the gills, allowing the fish to breathe while also providing a streamlined shape for swimming. This protective feature is crucial for the survival of aquatic life, as it shields delicate respiratory organs from debris and predators. In addition to fish, the operculum can also be found in some species of snails and other mollusks. In these creatures, the operculum serves a similar purpose, acting as a door that seals the opening of the shell when the animal retracts its body inside. This not only helps to prevent desiccation in terrestrial species but also offers protection against potential threats. The presence of an operculum in mollusks is a fascinating adaptation that has evolved over millions of years, showcasing the intricate relationship between anatomy and environmental challenges. From an ecological perspective, the operculum plays a significant role in the life cycle of many aquatic organisms. For example, during the breeding season, some fish species exhibit changes in their operculum structure to attract mates. The coloration and size of the operculum can signal health and vitality, influencing reproductive success. Furthermore, the study of the operculum can provide insights into the evolutionary adaptations of species as they respond to their habitats. In a broader sense, the concept of an operculum extends beyond marine biology. In botany, certain plants exhibit operculum-like structures that cover their reproductive organs, protecting them until they are ready to bloom. This protective mechanism is essential for ensuring successful reproduction, much like how the operculum in animals safeguards vital organs. The parallels between these systems illustrate the universal importance of protective adaptations across different forms of life. The study of the operculum is not only relevant for understanding individual species but also for grasping the complexities of ecosystems. By examining how various organisms utilize their operculum, researchers can gain insights into ecological interactions, such as predator-prey dynamics and competition for resources. This knowledge is particularly important in the context of environmental changes, as shifts in habitat can impact the effectiveness of these protective adaptations. In conclusion, the operculum is a remarkable feature found in numerous species, serving critical functions in protection and adaptation. Whether it is the bony flap of a fish or the sealing door of a snail’s shell, the operculum exemplifies the ingenuity of nature in developing solutions to survive and thrive in diverse environments. Understanding the role of the operculum enhances our appreciation for the complexity of life and the interconnectedness of all living organisms. As we continue to explore the wonders of biology, the operculum stands out as a testament to the beauty of evolutionary design.

术语operculum指的是在各种生物系统中覆盖或关闭开口的结构。在生物学领域，它通常与鱼类和某些类型的软体动物相关。例如，在鱼类中，operculum是一种保护鳃的骨质瓣，允许鱼类呼吸，同时为游泳提供流线型形状。这一保护特征对水生生命的生存至关重要，因为它保护脆弱的呼吸器官免受碎屑和捕食者的侵害。 除了鱼类，某些蜗牛和其他软体动物也可以找到operculum。在这些生物中，operculum起着类似的作用，当动物将身体缩回壳内时，它作为一个门封闭壳的开口。这不仅有助于防止陆生物种的脱水，还提供了对潜在威胁的保护。软体动物中operculum的存在是一种迷人的适应，经过数百万年的进化，展示了解剖学与环境挑战之间的复杂关系。 从生态角度来看，operculum在许多水生生物的生命周期中发挥着重要作用。例如，在繁殖季节，一些鱼类物种的operculum结构会发生变化，以吸引伴侣。operculum的颜色和大小可以信号健康和活力，从而影响繁殖成功。此外，研究operculum可以提供有关物种如何响应其栖息地的进化适应的见解。 在更广泛的意义上，operculum的概念超越了海洋生物学。在植物学中，某些植物表现出类似于operculum的结构，覆盖其生殖器官，直到它们准备开花。这种保护机制对于确保成功繁殖至关重要，就像动物中的operculum保护重要器官一样。这些系统之间的相似性说明了跨不同生命形式的保护适应的重要性。 对operculum的研究不仅与理解个别物种相关，还与掌握生态系统的复杂性相关。通过考察各种生物如何利用其operculum，研究人员可以获得对生态相互作用的深入了解，例如捕食者-猎物动态和资源竞争。这一知识在环境变化的背景下尤为重要，因为栖息地的变化可能会影响这些保护适应的有效性。 总之，operculum是许多物种中发现的一种显著特征，具有保护和适应的关键功能。无论是鱼类的骨质瓣还是蜗牛壳的密封门，operculum都体现了自然在发展生存和繁荣于多样环境的解决方案方面的独创性。理解operculum的作用增强了我们对生命复杂性的欣赏以及所有生物之间的相互联系。随着我们继续探索生物学的奇迹，operculum作为进化设计之美的见证而脱颖而出。