deciduous

简明释义

英[dɪˈsɪdʒuəs]美[dɪˈsɪdʒuəs]

adj. 落叶性的，脱落性的；非永久性的

英英释义

单词用法

同义词

反义词

例句

1.Deciduous shrub style such as lilac, spirea, hydrangea, etc.

落叶灌木类，如丁香、绣线菊、绣球花等。

2.Deciduous tree style such as maple, oak, elm, ash, pear, etc.

落叶类树包括枫、橡木、榆树、槐木、梨树等等。

3.These Texas maples are far enough south that they peak much later than many other deciduous trees in the United States.

这些德克萨斯州枫树是在足够远的南部，它们的憔悴期迟于美国的许多其他地方的落叶乔木。

4.Deciduous tree style such as maple, oak, elm, dogwood, redbud, etc.

落叶类树包括枫、橡木、榆树、茱萸、紫荆等等。

5.Small genus of deciduous west Indian trees or shrubs: Carib wood.

每年落叶的在西部印度乔木或灌木的小属；加勒比树木。

6.Regional ecosystem types, such as grass land, desert, and deciduous forest, are called biomes.

地区的生态系统，例如草原、荒漠和落叶林又被称为生物带。

7.A deciduous Eurasian tree having alternate simple leaves and white or pink flowers.

欧亚大陆一种落叶乔木，有互生的单叶及白色或粉色的花朵。

8.This is a physiological phenomenon, which is replacing the so-called deciduous teeth.

这是一种生理现象，这就是所谓的乳牙退换。

9.The Marula is a deciduous tree native to Southern and Eastern Africa.

马鲁拉树是原产于南非和东非的落叶树种。

10.The deciduous oak tree provides shade during the summer months.

落叶橡树在夏季提供阴凉。

11.During autumn, the vibrant colors of deciduous leaves attract many tourists.

秋天，落叶树叶的鲜艳颜色吸引了许多游客。

12.In temperate climates, deciduous plants adapt to seasonal changes.

在温带气候中，落叶植物适应季节变化。

13.Many animals rely on deciduous forests for food and shelter.

许多动物依赖落叶森林来获取食物和栖息地。

14.The forest is filled with many types of deciduous trees, which lose their leaves in the fall.

这片森林里有许多类型的落叶树，秋天时它们会掉落叶子。

作文

The world around us is filled with a variety of trees, each with its own unique characteristics and adaptations. Among these, the deciduous trees stand out for their remarkable seasonal changes. The term deciduous refers to trees that lose their leaves annually, typically in the fall. This process is not merely a survival tactic; it is a fascinating adaptation to the changing environment. As autumn approaches and temperatures begin to drop, deciduous trees prepare for the winter months by shedding their leaves. This helps them conserve water and energy when conditions are less favorable for growth.In many regions, the sight of deciduous trees transforming from vibrant green to stunning shades of red, orange, and yellow is one of the most anticipated aspects of the fall season. The pigments that were previously masked by chlorophyll become visible as the leaves change color. This natural spectacle attracts tourists and nature lovers alike, who often take the opportunity to hike through forests or visit parks to enjoy the breathtaking views.The ecological role of deciduous trees extends beyond their aesthetic appeal. These trees provide essential habitats for various species of wildlife. Birds, insects, and mammals rely on deciduous forests for food and shelter. During the warmer months, the lush foliage offers protection and a rich source of food, while in the winter, the bare branches allow sunlight to reach the forest floor, encouraging the growth of new plant life.Moreover, deciduous trees play a significant role in carbon sequestration. By absorbing carbon dioxide during the growing season, they help mitigate climate change. When they shed their leaves, the fallen foliage decomposes and enriches the soil, contributing to a healthy ecosystem. This cycle of growth and dormancy is crucial for maintaining biodiversity and supporting various life forms.In contrast, we also have evergreen trees, which retain their leaves throughout the year. While evergreen trees have their own advantages, such as being able to photosynthesize year-round, deciduous trees offer distinct benefits in terms of biodiversity and seasonal beauty. Each type of tree contributes uniquely to the environment, and understanding their differences is vital for conservation efforts.As we consider the importance of deciduous trees, it becomes clear that they are more than just beautiful plants. They are integral parts of our ecosystems, providing shelter, food, and oxygen. Their seasonal transformations remind us of the cycles of nature and the importance of adapting to change. By protecting deciduous forests, we ensure the survival of countless species and the health of our planet.In conclusion, deciduous trees are a testament to the beauty and complexity of nature. They teach us valuable lessons about resilience and adaptation. As we continue to explore and appreciate the natural world, let us remember the significance of these magnificent trees and strive to protect them for future generations.

我们周围的世界充满了各种树木，每种树都有其独特的特征和适应能力。在这些树木中，落叶树因其显著的季节变化而脱颖而出。落叶树这个术语指的是每年秋天会落叶的树木。这一过程不仅仅是一种生存策略，而是对不断变化的环境的迷人适应。当秋天来临，气温开始下降时，落叶树通过脱落叶子为冬季做准备。这有助于它们在不利的生长条件下节约水分和能量。在许多地区，落叶树从生机勃勃的绿色变为令人惊叹的红色、橙色和黄色的景象，是秋季最受期待的方面之一。随着叶子颜色的变化，之前被叶绿素掩盖的色素变得可见。这种自然奇观吸引了游客和自然爱好者，他们常常借此机会在森林中远足或参观公园，欣赏令人叹为观止的景色。落叶树的生态作用不仅限于其美学吸引力。这些树木为各种野生动物提供了重要的栖息地。鸟类、昆虫和哺乳动物依赖落叶树森林获取食物和庇护。温暖的月份，丰盛的树叶提供保护和丰富的食物来源，而在冬季，光秃的树枝允许阳光照射到森林地面，促进新植物的生长。此外，落叶树在碳封存方面也发挥着重要作用。通过在生长季节吸收二氧化碳，它们帮助减缓气候变化。当它们脱落叶子时，掉落的树叶会分解并丰富土壤，为健康的生态系统做出贡献。这种生长与休眠的循环对维持生物多样性和支持各种生命形式至关重要。相比之下，我们还有常绿树，它们全年保持叶子。虽然常绿树有其自身的优势，比如能够全年进行光合作用，但在生物多样性和季节美感方面，落叶树提供了独特的好处。每种类型的树木对环境的贡献都是独特的，理解它们之间的差异对保护工作至关重要。当我们考虑落叶树的重要性时，很明显它们不仅仅是美丽的植物。它们是我们生态系统的组成部分，提供庇护、食物和氧气。它们的季节性变化提醒我们自然的循环和适应变化的重要性。通过保护落叶树森林，我们确保无数物种的生存和地球的健康。总之，落叶树是自然美丽和复杂性的证明。它们教会我们关于韧性和适应的重要课程。在继续探索和欣赏自然界的同时，让我们记住这些壮丽树木的重要性，并努力保护它们以惠及后代。