earthworm

简明释义

英[ˈɜːθwɜːm]美[ˈɜːrθwɜːrm]

n. [无脊椎] 蚯蚓

复 数 e a r t h w o r m s

英英释义

单词用法

同义词

反义词

例句

1.The earthworm mocks the dragon for neither crawling through the dirt nor living in the soil.

蚯蚓讥笑蛟龙既不爬行于泥中也不生活在土里。

2.When genetic characterization of the contents of beetle guts gave some unexpected results, the researchers decided to take a closer look at earthworm DNA.

当甲虫内脏内容物的遗传特性显示出一些意想不到的结果时，研究人员决定进一步研究蚯蚓的 DNA 。

3.The anatomy of an earthworm is much simpler than that of a man.

和人类比较起来，蚯蚓的身体结构要简单多了。

4.That chick pecks out an earthworm from the earth.

那只小鸡从土里啄出一条蚯蚓。

5.An earthworm is a terricolous organism.

蚯蚓是陆生的生物。

6.It also can be used to kill snail in rice field and earthworm in golf court.

它也可以用来杀人蜗牛稻田和蚯蚓在高尔夫球场。

7.Sludge reduction performance by earthworm biofilters using quartz sand and ceramsite as media was compared.

比较了石英砂和陶粒滤料蚯蚓生物滤池的污泥减量化效果。

8.The instructor put one earthworm into each cup that already had water and liquor.

教授在清水和烈酒两个杯子中，各放入一条蚯蚓。

9.The garden is full of healthy earthworms, which help aerate the soil.

花园里有很多健康的蚯蚓，它们帮助土壤通气。

10.We used earthworms as bait for fishing this weekend.

这个周末我们用蚯蚓作为钓鱼的饵料。

11.Adding earthworms to your compost pile can speed up the decomposition process.

在你的堆肥堆中加入蚯蚓可以加快分解过程。

12.Children love to dig in the dirt and find earthworms in the backyard.

孩子们喜欢在泥土里挖掘，并在后院找到蚯蚓。

13.Farmers often rely on earthworms to improve soil fertility.

农民们常常依靠蚯蚓来提高土壤肥力。

作文

The role of the earthworm in our ecosystem is often overlooked, yet it is crucial for maintaining soil health and fertility. These fascinating creatures, belonging to the phylum Annelida, are commonly found in moist environments where they play a significant role in the decomposition process. As they burrow through the soil, earthworms consume organic matter, breaking it down into simpler compounds that plants can easily absorb. This natural recycling process enriches the soil with essential nutrients, making it more fertile and productive. One of the most remarkable aspects of earthworms is their ability to aerate the soil. Their burrowing activities create channels that allow air and water to penetrate deeper into the ground. This aeration is vital for root development and helps prevent soil compaction, which can hinder plant growth. Without the presence of earthworms, soils would become dense and less conducive to supporting healthy plant life. Moreover, earthworms contribute to the formation of humus, a dark, organic material that enhances soil structure and moisture retention. As they digest organic matter, they excrete castings that are rich in nutrients like nitrogen, phosphorus, and potassium. These castings act as a natural fertilizer, promoting robust plant growth. Farmers and gardeners often recognize the value of earthworms and may even introduce them into their gardens to improve soil quality. In addition to their benefits to agriculture, earthworms also play a role in the food chain. They serve as a food source for various animals, including birds, mammals, and amphibians. By supporting these species, earthworms help maintain biodiversity within ecosystems. The decline of earthworm populations can have cascading effects, disrupting the balance of the habitats they inhabit. Despite their importance, earthworms face numerous threats, including habitat destruction, pollution, and climate change. Urbanization and intensive farming practices can lead to soil degradation, which adversely affects earthworm populations. Additionally, the use of chemical fertilizers and pesticides can harm these beneficial organisms, further compromising soil health. Conservation efforts aimed at protecting earthworms and their habitats are essential for sustaining healthy ecosystems. Practices such as organic farming, reduced tillage, and the use of cover crops can help preserve earthworm populations. Educating the public about the significance of these creatures is also crucial; many people remain unaware of the vital roles earthworms play in maintaining soil health and supporting biodiversity. In conclusion, the earthworm is an unsung hero of the natural world. Its contributions to soil fertility, structure, and ecology cannot be overstated. As we continue to face environmental challenges, it is imperative that we recognize and protect these remarkable organisms. By doing so, we ensure the health of our soils, the productivity of our crops, and the overall balance of our ecosystems. Understanding the importance of the earthworm is a step toward fostering a more sustainable relationship with our planet.

在我们的生态系统中，蚯蚓的角色常常被忽视，但它对维护土壤健康和肥力至关重要。这些迷人的生物属于环节动物门，通常生活在潮湿的环境中，在分解过程中发挥着重要作用。当它们在土壤中打洞时，蚯蚓会吞食有机物，将其分解为植物可以轻松吸收的简单化合物。这一自然回收过程使土壤富含必需的营养物质，从而使其更加肥沃和高产。 蚯蚓最显著的特征之一是它们改善土壤通气的能力。它们的挖掘活动创造了通道，使空气和水能够渗透到土壤深处。这种通气对根系发育至关重要，并有助于防止土壤压实，这可能会妨碍植物生长。如果没有蚯蚓的存在，土壤将变得密实，不利于支持健康的植物生命。 此外，蚯蚓还促进腐殖质的形成，腐殖质是一种黑色有机材料，可以增强土壤结构和保水能力。当它们消化有机物时，它们排出的粪便富含氮、磷、钾等营养物质。这些粪便作为天然肥料，促进植物的强健生长。农民和园丁通常认识到蚯蚓的价值，甚至会将它们引入花园以改善土壤质量。 除了对农业的益处外，蚯蚓在食物链中也扮演着角色。它们是各种动物的食物来源，包括鸟类、哺乳动物和两栖动物。通过支持这些物种，蚯蚓帮助维持生态系统内的生物多样性。蚯蚓种群的减少可能会产生连锁反应，破坏它们栖息地的平衡。 尽管蚯蚓的重要性不言而喻，但它们面临着许多威胁，包括栖息地破坏、污染和气候变化。城市化和集约化农业实践可能导致土壤退化，从而对蚯蚓种群产生不利影响。此外，化肥和农药的使用可能会危害这些有益生物，进一步损害土壤健康。 旨在保护蚯蚓及其栖息地的保护工作对于维持健康的生态系统至关重要。有机农业、减少耕作和使用覆盖作物等做法可以帮助保护蚯蚓种群。向公众普及这些生物的重要性也是至关重要的；许多人仍然不知道蚯蚓在维护土壤健康和支持生物多样性方面所发挥的关键作用。 总之，蚯蚓是自然界中的无名英雄。它对土壤肥力、结构和生态的贡献不容小觑。随着我们继续面临环境挑战，承认和保护这些非凡生物势在必行。这样，我们就能确保土壤的健康、作物的生产力以及生态系统的整体平衡。理解蚯蚓的重要性是朝着与地球建立更可持续关系迈出的一步。