crenate

简明释义

英[ˈkriːneɪt]美[ˈkrinet]

adj. （叶子）圆锯齿状的

英英释义

单词用法

同义词

反义词

例句

1.Upper leaf blades 5-10 cm wide corrugate base cuneate margin coarsely crenate apex obtuse veins flabellate netted.

上面叶片5 - 10厘米宽具皱褶基部楔形边缘具粗圆齿先端钝脉扇形网状。

2.Upper leaf blades 5-10 cm wide corrugate base cuneate margin coarsely crenate apex obtuse veins flabellate netted.

上面叶片5 - 10厘米宽具皱褶基部楔形边缘具粗圆齿先端钝脉扇形网状。

3.Leaves alternate, usually simple, petiolate; leaf blade margin entire or sometimes crenate.

叶互生，通常单叶，具叶柄；叶片边缘全缘或有时具圆齿。

4.The leaves of the plant are distinctly crenate, giving them a wavy appearance.

这种植物的叶子明显是波状的，呈现出波浪形的外观。

5.In botanical studies, crenate margins are often observed in certain species.

在植物学研究中，某些物种的边缘常常被观察到是波状的。

6.The crenate edges of the cookie made it look more appealing.

饼干的波状边缘使它看起来更具吸引力。

7.We identified the leaf as crenate during our nature walk.

在我们的自然徒步旅行中，我们将这片叶子识别为波状的。

8.The crenate pattern on the shell was fascinating to the marine biologist.

壳上的波状图案让海洋生物学家感到着迷。

作文

In the world of botany, the term crenate refers to a specific type of leaf margin that is characterized by rounded, scalloped edges. This distinctive feature can be observed in various plant species, adding not only to their aesthetic appeal but also to their classification. Understanding the term crenate is essential for anyone interested in plant biology or horticulture, as it helps in identifying and describing different types of foliage. For instance, consider the common garden plant known as the lamb's ear (Stachys byzantina). Its leaves are not only soft and fuzzy but also exhibit a crenate margin, making them easily recognizable. The rounded lobes along the edge of the leaves create an inviting texture and shape that attracts both gardeners and pollinators alike. This unique morphology serves practical purposes as well; the crenate edges may help in water retention by reducing the amount of surface area exposed to direct sunlight, thereby minimizing evaporation. Another example can be found in the oak tree (Quercus spp.), where some species have crenate leaves that contribute to the overall biodiversity of the ecosystem. The variation in leaf shape among oak species, including those with crenate margins, plays a crucial role in how these trees adapt to their environment. Such adaptations can influence factors like light absorption, photosynthesis rates, and even interactions with herbivores. The significance of understanding terms like crenate extends beyond mere identification. It allows botanists and ecologists to communicate more effectively about plant characteristics and their ecological roles. For instance, when studying the impact of climate change on vegetation, researchers might examine how changes in leaf morphology, including crenate features, affect a plant's ability to thrive in altered conditions. Moreover, the concept of crenate can also extend into the realm of design and aesthetics. Landscape architects often incorporate plants with crenate leaves into their designs to create visual interest and texture. The interplay of different leaf shapes, sizes, and margins can significantly enhance the beauty of a garden or park, making it more appealing to visitors. In summary, the term crenate encapsulates a fascinating aspect of plant morphology that is relevant across multiple disciplines. From botany and ecology to design and aesthetics, the rounded edges of crenate leaves serve various functions and contribute to the diversity of life on Earth. Recognizing and understanding such terms enriches our appreciation of nature and fosters a deeper connection with the environment around us. As we continue to explore the complexities of plant life, let us remember the importance of these seemingly simple characteristics, as they hold the key to understanding the intricate relationships within ecosystems.

在植物学的世界中，术语crenate指的是一种特定类型的叶缘，其特征是边缘呈现出圆形、波浪状的边缘。这一独特的特征可以在各种植物物种中观察到，不仅增加了它们的美学吸引力，还用于分类。理解术语crenate对于任何对植物生物学或园艺感兴趣的人来说都是至关重要的，因为它有助于识别和描述不同类型的叶片。 例如，考虑常见的园艺植物羊耳（Stachys byzantina）。它的叶子不仅柔软而毛茸茸，而且表现出crenate的边缘，使其易于识别。叶子边缘的圆形波浪状边缘创造出一种诱人的质感和形状，吸引了园丁和授粉者。这种独特的形态也具有实用目的；crenate的边缘可能通过减少暴露于阳光下的表面积来帮助保持水分，从而减少蒸发。 另一个例子是橡树（Quercus spp.），其中一些物种的叶子具有crenate的形状，促进了生态系统的整体生物多样性。橡树物种之间叶子形状的变化，包括那些具有crenate边缘的物种，在这些树木适应其环境的过程中起着至关重要的作用。这种适应性可能影响光吸收、光合作用速率，甚至与食草动物的相互作用。 理解像crenate这样的术语的重要性超越了单纯的识别。它使植物学家和生态学家能够更有效地交流植物特征及其生态角色。例如，在研究气候变化对植被的影响时，研究人员可能会考察叶子形态的变化，包括crenate特征，如何影响植物在改变条件下的生存能力。 此外，crenate的概念也可以扩展到设计和美学的领域。景观建筑师经常将具有crenate叶子的植物融入他们的设计中，以创造视觉上的趣味和质感。不同叶子形状、大小和边缘的相互作用可以显著增强花园或公园的美感，使其对游客更具吸引力。 总之，术语crenate概括了植物形态学中一个迷人的方面，这在多个学科中都具有相关性。从植物学和生态学到设计和美学，crenate叶子的圆形边缘在多种功能中发挥作用，并为地球生命的多样性做出了贡献。认识和理解这样的术语丰富了我们对自然的欣赏，并促进了我们与周围环境的更深连接。在我们继续探索植物生命的复杂性时，让我们记住这些看似简单的特征的重要性，因为它们是理解生态系统内复杂关系的关键。