defoliate

简明释义

英[diːˈfəʊlieɪt]美[diːˈfoʊlieɪt]

vt. 使落叶

vi. 落叶

第 三 人 称 单 数 d e f o l i a t e s

现 在 分 词 d e f o l i a t i n g

过 去 式 d e f o l i a t e d

过 去 分 词 d e f o l i a t e d

英英释义

单词用法

同义词

反义词

例句

1.Infestations of these caterpillars may defoliate oaks and other hardwood trees but usually do no permanent damage.

这些毛虫的侵扰可能使橡树落叶和其他树木的硬木树但通常都没有永久性损伤。

2.Infestations of these caterpillars may defoliate oaks and other hardwood trees but usually do no permanent damage.

这些毛虫的侵扰可能使橡树落叶和其他树木的硬木树但通常都没有永久性损伤。

3.Others defended the choice: "'Defriend' makes me think of 'defoliate' and, well, I dunno, it sounds weird," one wrote.

拥护者则这样写：“‘defriend’让我想起‘defoliate’，嗯，我也不知道，总之听起来怪怪的。”

4.When the plants defoliate in the fall, they get back to normal.

当植株剪叶在秋天，他们回到了正常。

5.So were there 7 ones in leave color to defoliate degree.

叶色与落叶度有7个达极显著正相关程度；

6.The tree is leafless [defoliate].

这棵树秃了。

7.Farmers often use chemicals to defoliate their crops before harvest.

农民常常使用化学品来脱叶他们的作物以便收获。

8.The military sometimes defoliate areas to eliminate cover for enemy forces.

军方有时会脱叶某些地区，以消除敌军的掩护。

9.Certain pesticides are designed to defoliate plants that are infested with pests.

某些杀虫剂旨在脱叶受害虫侵扰的植物。

10.In tropical regions, heavy rains can naturally defoliate trees.

在热带地区，强降雨可以自然地脱叶树木。

11.To prepare the land for new planting, farmers may defoliate the old crops.

为了准备新种植的土地，农民可能会脱叶旧作物。

作文

In recent years, the term defoliate has gained significant attention, especially in the context of agriculture and environmental science. To defoliate means to remove leaves from a plant, either naturally or artificially. This process can occur due to various reasons, including pest infestations, diseases, or intentional agricultural practices. Understanding the implications of defoliate is crucial for both farmers and environmentalists alike. Farmers often resort to defoliate crops to enhance their yield. For instance, in cotton farming, the practice of defoliate is employed to facilitate easier harvesting. By removing the leaves, farmers can ensure that the cotton bolls are more visible and accessible, thereby increasing efficiency during the harvesting season. However, this practice must be carefully managed, as excessive defoliate can lead to reduced photosynthesis, which is vital for the plant's growth and overall health. On the other hand, defoliate can also occur as a result of environmental factors. For example, severe drought conditions may cause plants to defoliate naturally as a survival mechanism. When water is scarce, plants may shed their leaves to minimize water loss through transpiration. This natural defoliate process helps the plant conserve resources until conditions improve. However, prolonged periods of drought can severely impact a plant's ability to recover, leading to long-term damage or even death. Moreover, the use of chemicals to defoliate plants has raised concerns regarding environmental sustainability. Certain herbicides are designed to promote leaf drop, but their application can have unintended consequences on surrounding ecosystems. The defoliate effect of these chemicals can harm beneficial insects, soil health, and water quality. Therefore, it is essential for farmers to consider the ecological impact of their defoliate practices and seek alternative methods that are less harmful to the environment. In addition to agricultural contexts, defoliate is also relevant in discussions about deforestation and climate change. Large-scale logging operations often result in the defoliate of vast areas of forest, leading to habitat loss and increased carbon emissions. The removal of trees not only defoliate the landscape but also disrupts the delicate balance of ecosystems. This has prompted many environmental organizations to advocate for sustainable forestry practices that minimize defoliate and promote reforestation efforts. In conclusion, the concept of defoliate encompasses a range of practices and implications that are vital to understand in today's world. Whether it is in agriculture, environmental conservation, or discussions about climate change, the effects of defoliate can be profound. As we navigate the challenges of food production and environmental sustainability, it is imperative to approach the topic of defoliate with a balanced perspective, considering both the benefits and potential drawbacks of this practice. By doing so, we can work towards solutions that support healthy ecosystems while also meeting the needs of a growing population.

近年来，术语defoliate引起了广泛关注，特别是在农业和环境科学的背景下。defoliate的意思是从植物上去除叶子，这一过程可能是自然发生的，也可能是人工造成的。这一过程可能因多种原因而发生，包括害虫侵扰、疾病或故意的农业实践。理解defoliate的含义对于农民和环境保护者来说都至关重要。 农民常常采取defoliate作物以提高产量。例如，在棉花种植中，采用defoliate的做法来便于收割。通过去除叶子，农民可以确保棉铃更加明显和易于接近，从而提高收割季节的效率。然而，这一做法必须谨慎管理，因为过度的defoliate可能会导致光合作用减少，而光合作用对植物的生长和整体健康至关重要。 另一方面，defoliate也可能是由于环境因素导致的。例如，严重的干旱条件可能导致植物自然defoliate，作为一种生存机制。当水源稀缺时，植物可能会脱落叶子，以减少通过蒸腾作用的水分流失。这种自然的defoliate过程有助于植物节约资源，直到条件改善。然而，长期的干旱可能会严重影响植物的恢复能力，导致长期损害甚至死亡。 此外，使用化学品进行defoliate的做法引发了关于环境可持续性的担忧。某些除草剂旨在促进叶子脱落，但它们的使用可能对周围生态系统产生意想不到的后果。这些化学品的defoliate效应可能会危害有益昆虫、土壤健康和水质。因此，农民在考虑其defoliate实践的生态影响时，必须寻找对环境伤害更小的替代方法。 除了农业背景，defoliate在讨论森林砍伐和气候变化时也很相关。大规模的伐木作业往往导致大片森林的defoliate，导致栖息地丧失和碳排放增加。树木的去除不仅会defoliate景观，还会破坏生态系统的微妙平衡。这促使许多环保组织倡导可持续林业实践，以最小化defoliate并促进再造林工作。 总之，defoliate的概念涵盖了一系列实践和影响，在当今世界中了解这一点至关重要。无论是在农业、环境保护，还是关于气候变化的讨论中，defoliate的影响都可能是深远的。在我们应对食品生产和环境可持续性挑战的过程中，必须以平衡的视角看待defoliate这一话题，考虑这一做法的好处和潜在缺点。通过这样做，我们可以努力寻求既支持健康生态系统又满足不断增长的人口需求的解决方案。