pinnately

简明释义

英[ˈpɪneɪtli]美[ˈpɪneɪtli]

羽状的

有鳍的

英英释义

单词用法

同义词

反义词

例句

1.A perennial plant of the genus Sanguisorba, having pinnately compound leaves and apetalous flowers. The young leaves are sometimes added to salads as a garnish.

地榆，美洲地榆一种地榆属多年生植物，有羽状复叶和无花瓣的花。其嫩叶有时加在沙拉中作装饰和配料。

2.Any of several plants of the genus Lathyrus, having pinnately compound leaves, slender tendrils, and variously colored flowers.

山黧豆属植物一种野豌豆属的草本植物，具有羽状复叶，细长的卷须和各种颜色的花朵。

3.An annual Old World plant (Vicia faba) in the pea family, having pinnately compound leaves, white flowers with lateral purplish blotches, and long, thick pods.

蚕豆：一种东半球的豆科一年生植物(蚕豆野豌豆属)，有羽状复叶，开白花，花侧面带紫色斑点，豆荚长而厚。

4.Any of several tropical American trees or shrubs of the genus jacaranda having pinnately compound opposite leaves and panicles of pale purple flowers with funnel -shaped corollas.

蓝花楹生长在热带美洲的几种蓝花楹属的树木或灌木，有羽状对生复叶和淡紫色的圆锥花序的花，其花冠呈漏斗状。

5.A deciduous shrub(Amorpha canescens) of central North America, having pinnately compound leaves covered with whitish hairs.

灰毛紫穗槐一种生长于北美洲中部的落叶灌木（灰毛紫穗槐紫穗槐属）

6.Any of several north American plants of the genus mitella having heart-shaped leaves and clusters of small white flowers with pinnately divided petals.

唢呐草一种北美唢呐草属，植物，有心形叶子并有成束带羽状分开花瓣的小白花。

7.Any of several tropical American trees or shrubs of the genus jacaranda having pinnately compound opposite leaves and panicles of pale purple flowers with funnel -shaped corollas.

蓝花楹生长在热带美洲的几种蓝花楹属的树木或灌木，有羽状对生复叶和淡紫色的圆锥花序的花，其花冠呈漏斗状。

8.The leaves of the plant are arranged pinnately along the stem.

植物的叶子沿着茎以羽状排列。

9.The pinnately compound leaves of the tree provide shade in the summer.

这棵树的羽状复叶在夏天提供阴凉。

10.Many ferns exhibit pinnately arranged fronds.

许多蕨类植物表现出羽状排列的叶片。

11.The pinnately compound structure allows for greater surface area for photosynthesis.

这种羽状复合结构允许更大的光合作用表面积。

12.In botany, a leaf that has leaflets arranged pinnately is often referred to as a pinnate leaf.

在植物学中，叶子上有小叶以羽状排列时，通常称为羽叶。

作文

In the realm of botany, the term pinnately refers to a specific arrangement of leaflets on a leaf stalk. This unique configuration is not only aesthetically pleasing but also serves a functional purpose in the life of the plant. Understanding the concept of pinnately compound leaves can enhance our appreciation of nature and its intricate designs.To illustrate this, consider the common plant known as the rose. The rose plant often exhibits pinnately compound leaves, where multiple leaflets are arranged along a central stem or petiole. Each leaflet has its own shape and size, contributing to the overall beauty of the plant. The pinnately structured leaves allow for efficient photosynthesis, as they maximize sunlight exposure while minimizing shading of each other. This natural design is an excellent example of how evolution has shaped plants for optimal growth and survival.Moreover, the pinnately arrangement of leaves can also be observed in other species, such as the walnut tree and the poison ivy. In these plants, the pinnately compound leaf structure aids in capturing sunlight effectively, which is essential for their photosynthetic processes. The leaflets, which can vary in number from a few to several dozen, are typically arranged symmetrically on either side of the central axis, creating a balanced appearance that is pleasing to the eye.The significance of pinnately compound leaves extends beyond mere aesthetics. These leaves play a crucial role in the plant's ability to adapt to its environment. For instance, in areas with strong winds, the pinnately structured leaves can reduce wind resistance, allowing the plant to withstand harsh conditions. Additionally, the arrangement of leaflets can help in reducing water loss by minimizing the surface area exposed to direct sunlight, which is vital for plants in arid environments.In horticulture, understanding the pinnately leaf structure can aid gardeners and botanists in selecting the right plants for specific landscapes. For example, choosing plants with pinnately compound leaves can create a visually appealing garden that also thrives in varying weather conditions. By considering the benefits of pinnately arranged leaves, one can cultivate a diverse and resilient garden ecosystem.Furthermore, the study of pinnately compound leaves can lead to advancements in agricultural practices. Researchers are continually exploring how different leaf structures impact crop yields and resilience against pests and diseases. By focusing on the pinnately configuration, scientists may develop new varieties of crops that are better suited to withstand environmental challenges, ultimately benefiting food security.In conclusion, the term pinnately encompasses more than just a botanical description; it signifies a remarkable adaptation that has evolved over time to enhance plant survival. From the intricate beauty of rose leaves to the functional advantages seen in various species, the pinnately compound leaf structure is a testament to nature's ingenuity. By appreciating and understanding this concept, we can foster a deeper connection with the natural world and promote sustainable practices in our gardens and agricultural endeavors.

在植物学领域，术语pinnately指的是叶片在叶柄上的特定排列方式。这种独特的构造不仅美观，而且在植物的生长中具有功能性。理解pinnately复合叶的概念可以增强我们对自然及其复杂设计的欣赏。以常见的玫瑰植物为例。玫瑰植物通常表现出pinnately复合叶，其中多个小叶沿着中央茎或叶柄排列。每个小叶都有自己的形状和大小，为植物的整体美感做出贡献。pinnately结构的叶子能够有效进行光合作用，因为它们最大化了阳光的照射，同时减少了相互之间的遮挡。这种自然设计是进化如何塑造植物以实现最佳生长和生存的绝佳例证。此外，pinnately的叶子排列也可以在其他物种中观察到，例如胡桃树和毒藤。在这些植物中，pinnately复合叶结构有助于有效捕捉阳光，这是它们光合作用所必需的。小叶的数量从几个到几十个不等，通常对称地排列在中央轴的两侧，创造出一种视觉上平衡的外观。pinnately复合叶的重要性超越了单纯的美学。这些叶子在植物适应环境的能力中发挥着关键作用。例如，在风力强劲的地区，pinnately结构的叶子可以减少风阻，使植物能够承受恶劣的条件。此外，小叶的排列可以通过最小化暴露在阳光下的表面积来帮助减少水分流失，这对于生长在干旱环境中的植物至关重要。在园艺中，理解pinnately叶结构可以帮助园丁和植物学家为特定景观选择合适的植物。例如，选择具有pinnately复合叶的植物可以创建一个视觉上吸引人的花园，同时在不同天气条件下茁壮成长。通过考虑pinnately排列叶子的好处，人们可以培养出多样化和有韧性的花园生态系统。此外，研究pinnately复合叶的结构可以推动农业实践的发展。研究人员不断探索不同叶结构如何影响作物产量和抵御害虫及疾病的能力。通过关注pinnately的构造，科学家可能会开发出更适合应对环境挑战的新作物品种，最终惠及粮食安全。总之，术语pinnately不仅仅包含植物学描述，它象征着一种随着时间演变而发展的显著适应性，以增强植物的生存能力。从玫瑰叶的复杂美感到各种物种中看到的功能优势，pinnately复合叶结构证明了自然的聪明才智。通过欣赏和理解这一概念，我们可以与自然界建立更深的联系，并在我们的花园和农业实践中促进可持续发展。