pinnate

简明释义

英[ˈpɪneɪt]美[ˈpɪneɪt]

adj. （复叶）羽状的；（尤指无脊椎动物）羽状的

英英释义

单词用法

同义词

反义词

例句

1.North American perennial with hairy basal pinnate leaves and purple flowers and plume - tipped fruits.

北美洲的一种多年生植物，具有多毛的羽状基叶，紫色的花朵，果实顶端有宿存的羽毛状花柱。

2.Genus of old world herbs having pinnate leaves and pink or whites racemose flowers followed by flat unjoined pods.

长有羽状叶子和粉的或白的总花状序的花，结有扁平的旧大陆的草本属。

3.Its broad pinnate tropical leaf was pleasant though strange to look on.

它的阔大的、羽状的、热带的叶子，看起来很奇怪，却很愉快。

4.The directional pinnate horizontal multilateral well has been a rising technology in recent years for increasing coalbed methane recovery.

定向羽状水平井技术是近几年兴起的一项煤层气地面抽采技术。

5.Making use of horizontal pinnate branch well to develop and utilize coal seam gas, is a new drilling technique, which is different from horizontal drilling and has its own uniqueness.

利用水平羽状分支井来开发利用煤层气，是一项新的钻探技术，它有别水平钻井，有其独特性。

6.Slender, tilted trunk with ring marks, tree top the FuYe born great pinnate, forming a beautiful crown.

树干细长，倾斜，具环痕，树顶著生巨大的羽状复叶，形成优美的树冠。

7.Presenting either threadiness or pinnate distribution in space;

空间上呈线状或羽状分布；

8.Some insects have adapted to feed on pinnate plants, using their specialized mouthparts.

一些昆虫已经适应了以羽状植物为食，使用它们特化的口器。

9.In botany, a pinnate leaf is characterized by leaflets that are arranged along a central axis.

在植物学中，羽状叶的特点是小叶沿着中央轴排列。

10.The fern has a typical pinnate leaf structure, which means its leaflets are arranged on either side of a central stem.

这棵蕨类植物具有典型的羽状叶结构，意味着它的叶片在中央茎的两侧排列。

11.Many species of roses exhibit pinnate leaves, enhancing their ornamental value.

许多品种的玫瑰展现出羽状叶，增强了它们的观赏价值。

12.The pinnate arrangement of the leaves allows for better sunlight exposure.

叶子的羽状排列使得更好地接受阳光。

作文

In the world of botany, the term pinnate refers to a specific type of leaf structure that is characterized by leaflets arranged along a central stem or rachis. This fascinating arrangement allows for a greater surface area for photosynthesis while also providing structural support to the plant. The concept of pinnate leaves can be observed in various species, including the common ash tree and many types of ferns. Understanding this leaf structure is essential for botanists and horticulturists alike, as it plays a crucial role in the identification and classification of plants.The pinnate leaf structure can vary significantly among different species, which adds to the complexity and beauty of plant life. For instance, in some plants, the leaflets are arranged symmetrically on either side of the central axis, while in others, they may be more irregularly spaced. This diversity not only enhances the aesthetic appeal of plants but also reflects their adaptability to different environmental conditions. In regions with high wind exposure, for example, pinnate leaves may help reduce wind resistance, allowing the plant to thrive where others might struggle.Furthermore, the evolutionary significance of pinnate leaves cannot be overstated. Over millions of years, plants have developed this leaf structure as a response to their surroundings. The arrangement of leaflets can maximize light capture, which is vital for photosynthesis, especially in densely forested areas where sunlight is limited. The adaptability of pinnate leaves showcases the intricate relationship between plants and their environments, highlighting the importance of evolution in shaping the flora we see today.In addition to their biological functions, pinnate leaves also hold cultural significance in various societies. Many cultures have utilized plants with pinnate leaves for medicinal purposes, crafting remedies from their extracts. For example, the leaves of the Moringa tree, which exhibit a pinnate structure, are known for their nutritional benefits and are often referred to as "superfoods." This highlights not only the practical uses of such plants but also their role in traditional practices and modern nutrition.As we delve deeper into the study of pinnate leaves, it becomes clear that they are more than just a botanical curiosity. They represent a remarkable adaptation that has allowed various plant species to flourish in diverse ecosystems. Whether you are an amateur gardener or a seasoned botanist, recognizing the significance of pinnate leaves can enhance your appreciation for the natural world.In conclusion, the term pinnate encompasses much more than its basic definition. It invites us to explore the complexities of plant life, the marvels of evolution, and the interconnections between nature and culture. By understanding the role of pinnate leaves in our ecosystem, we can foster a deeper respect for the environment and inspire future generations to appreciate the wonders of botany. As we continue to study and learn about these unique structures, we gain valuable insights that can inform conservation efforts and promote biodiversity.

在植物学中，术语pinnate指的是一种特定类型的叶子结构，其特征是小叶沿着中央茎或叶轴排列。这种迷人的排列方式允许植物拥有更大的光合作用表面积，同时也为植物提供了结构支持。pinnate叶子的概念可以在多种物种中观察到，包括普通的白蜡树和许多类型的蕨类植物。理解这种叶子结构对于植物学家和园艺师来说至关重要，因为它在植物的识别和分类中发挥着关键作用。pinnate叶子结构在不同物种之间可能会有显著的变化，这增加了植物生命的复杂性和美丽。例如，在一些植物中，小叶对称地排列在中央轴的两侧，而在其他植物中，它们可能间隔不规则。这种多样性不仅增强了植物的美学吸引力，还反映了它们对不同环境条件的适应能力。例如，在风力强劲的地区，pinnate叶子可能有助于减少风阻，使植物在其他植物可能挣扎的地方茁壮成长。此外，pinnate叶子的进化意义不容小觑。经过数百万年的演化，植物发展了这种叶子结构，以应对其周围的环境。小叶的排列可以最大限度地捕捉光线，这对于光合作用至关重要，尤其是在阳光有限的密林地区。pinnate叶子的适应性展示了植物与其环境之间错综复杂的关系，突显了进化在塑造我们今天所见植物群中的重要性。除了它们的生物功能外，pinnate叶子在各种社会中也具有文化意义。许多文化利用具有pinnate叶子的植物进行药用，利用其提取物制作疗法。例如，具有pinnate结构的辣木树叶以其营养益处而闻名，常被称为“超级食品”。这不仅突显了这些植物的实用性，还体现了它们在传统实践和现代营养中的作用。当我们深入研究pinnate叶子时，很明显它们不仅仅是植物学上的好奇心。它们代表了一种显著的适应，使各种植物物种能够在多样的生态系统中繁荣。无论你是业余园丁还是经验丰富的植物学家，认识到pinnate叶子的意义都能增强你对自然世界的欣赏。总之，术语pinnate包含的内容远不止其基本定义。它邀请我们探索植物生活的复杂性、进化的奇迹以及自然与文化之间的相互联系。通过理解pinnate叶子在我们的生态系统中的作用，我们可以培养对环境的更深尊重，并激励未来的世代欣赏植物学的奇迹。当我们继续研究和了解这些独特的结构时，我们获得的宝贵见解可以为保护工作提供信息，并促进生物多样性。