excrement

简明释义

英[ˈekskrɪmənt]美[ˈekskrɪmənt]

n. 粪便，排泄物

英英释义

单词用法

同义词

反义词

例句

1.Due to the high volume of human waste, trucks have been dumping excrement and medical waste nearby.

由于粪便量巨，卡车一直将排泄物与医疗垃圾就近倾倒。

2.Poultries need a large amount of food and space, which is typically limited to expeditions, and they produce a lot of excrement.

家禽需要大量的食物和空间，这在远征中通常是有限的，而且它们还会产生大量的排泄物。

3.Being alone is much better than with a prick who studies excrement.

单身总比和研究排泄物的笨蛋在一起好吧。

4.Love has pitched his mansion in the place of excrement.

爱神把他的宫殿掷在粪地。

5.They should be especially careful around uncooked meat, domestic animals, human excrement and lake or river water.

他们应特别小心生肉、家畜、人类粪便和湖水或河水。

6.In fact, nose excrement is our good friend.

实际上，鼻屎，是我们的好朋友。

7.How is dental excrement formed?

牙齿屎是怎么形成的？

8.The farmer used animal excrement to fertilize his crops.

农民用动物的排泄物给庄稼施肥。

9.In the wild, many animals bury their excrement to hide their scent from predators.

在野外，许多动物会埋藏它们的排泄物以隐藏自己气味，避免被捕食者发现。

10.Scientists study animal excrement to understand their diets and health.

科学家研究动物的排泄物以了解它们的饮食和健康状况。

11.Proper disposal of human excrement is essential for public health.

妥善处理人类的排泄物对公共卫生至关重要。

12.The park was littered with dog excrement, making it unpleasant for visitors.

公园里满是狗的排泄物，让游客感到不快。

作文

In the study of biology, understanding the processes of life and the cycles within ecosystems is crucial. One often overlooked aspect of these processes is the role of waste products, particularly animal waste. The term excrement refers to the waste matter discharged from the bowels of animals, including humans. This seemingly unpleasant topic is, in fact, an integral part of ecological systems. Excrement plays a vital role in nutrient cycling, soil health, and even the growth of plants. When animals consume food, their bodies extract essential nutrients for energy and growth, but not all consumed materials are usable. The leftover materials are expelled as excrement, which contains organic matter and nutrients that can enrich the soil. For instance, in natural environments, herbivores like cows or deer produce excrement that acts as fertilizer for the ground. This waste returns valuable nutrients back to the earth, promoting the growth of grasses and other vegetation. In turn, these plants provide sustenance for other animals, creating a balanced ecosystem where energy flows in a continuous cycle. Without the decomposition of excrement, many nutrients would remain locked away, unavailable to plants and other organisms.Moreover, excrement also serves as a food source for various decomposers such as fungi and bacteria. These microorganisms break down the organic matter found in excrement, releasing nutrients into the soil and making them accessible to plants. This process is essential for maintaining soil fertility and structure, allowing ecosystems to thrive.On a larger scale, the management of excrement has significant implications for agriculture and urban planning. In agricultural settings, farmers often utilize animal excrement as a natural fertilizer, reducing the need for chemical fertilizers that can harm the environment. However, improper management of excrement can lead to pollution, particularly when it contaminates water sources. This highlights the importance of sustainable practices in handling excrement to mitigate negative impacts on the environment.In urban areas, the proper disposal of human excrement is equally important. Sewage systems are designed to treat human waste, preventing contamination of water supplies and protecting public health. Innovations in waste management technology aim to convert excrement into energy or compost, showcasing how waste can be transformed into a resource rather than a liability.In conclusion, while the subject of excrement may evoke discomfort, its significance cannot be understated. It is a key component of ecological balance, contributing to nutrient cycling, soil health, and the sustainability of ecosystems. By recognizing the value of excrement in both natural and human-made systems, we can develop better practices for waste management that benefit the environment and society. Understanding the role of excrement encourages us to respect the cycles of life and the interconnectedness of all living things, reminding us that even waste can have a purpose in the grand scheme of nature.

在生物学的研究中，理解生命过程和生态系统中的循环至关重要。一个常常被忽视的方面是废物产品的作用，尤其是动物的废物。术语excrement指的是从动物（包括人类）的肠道排出的废物，这个看似不愉快的话题实际上是生态系统的重要组成部分。Excrement在养分循环、土壤健康甚至植物生长中扮演着至关重要的角色。当动物摄入食物时，它们的身体会提取出能量和生长所需的基本营养素，但并不是所有摄入的物质都是可用的。剩余的物质作为excrement排出体外，其中含有有机物和营养素，可以丰富土壤。例如，在自然环境中，像牛或鹿这样的草食动物产生的excrement充当了土地的肥料。这种废物将宝贵的营养物质返回大地，促进草类和其他植物的生长。反过来，这些植物为其他动物提供了食物，创造了一个能量流动的平衡生态系统。在没有excrement分解的情况下，许多营养物质将被锁住，无法被植物和其他生物利用。此外，excrement还为各种分解者如真菌和细菌提供了食物来源。这些微生物分解excrement中的有机物，释放出营养物质到土壤中，使植物能够获取。这一过程对于维持土壤肥力和结构至关重要，使生态系统能够繁荣发展。在更大范围内，excrement的管理对农业和城市规划有着重要的影响。在农业环境中，农民通常利用动物的excrement作为天然肥料，从而减少对可能危害环境的化肥的需求。然而，不当的excrement管理可能导致污染，尤其是在其污染水源时。这强调了在处理excrement时可持续实践的重要性，以减轻对环境的负面影响。在城市地区，人类的excrement的适当处置同样重要。污水系统旨在处理人类废物，防止水源污染并保护公共健康。废物管理技术的创新旨在将excrement转化为能源或堆肥，展示了如何将废物转变为资源而非负担。总之，尽管excrement这个话题可能让人感到不适，但其重要性不可低估。它是生态平衡的关键组成部分，有助于养分循环、土壤健康和生态系统的可持续性。通过认识到excrement在自然和人造系统中的价值，我们可以制定更好的废物管理实践，造福环境和社会。理解excrement的角色促使我们尊重生命的循环和所有生物的相互联系，提醒我们即使是废物在自然的宏伟计划中也可以有其目的。