insects

简明释义

英[ˈɪnsekts]美[ˈɪnsekts]

n. 昆虫；昆虫类，昆虫纲（insect 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Some insects can change colour.

有些昆虫可以变色。

2.Is she counting insects?

她是不是在数昆虫？

3.It catches insects for food.

它捉昆虫作为食物。

4.A cold spring will provide a natural check on the number of insects.

寒冷的春季会自然控制昆虫的数量。

5.Being in the tropics meant that insects formed a large part of our life.

身处热带地区意味着昆虫成了我们生活的一大部分。

6.I continued studying moths, and branched out to other insects.

我继续研究飞蛾,同时也开始研究其它昆虫。

7.Some insects (昆虫) can carry diseases that affect humans.

某些insects (昆虫)可以传播影响人类的疾病。

8.Many garden plants attract insects (昆虫) that help with pollination.

许多花园植物吸引有助于授粉的insects (昆虫)。

9.Entomologists study insects (昆虫) to understand their behavior and ecology.

昆虫学家研究insects (昆虫)以了解它们的行为和生态。

10.Some insects (昆虫) are beneficial, while others can be harmful to crops.

一些insects (昆虫)是有益的，而另一些可能对农作物有害。

11.During summer, we often see insects (昆虫) buzzing around the flowers.

夏天，我们经常看到insects (昆虫)在花朵周围嗡嗡作响。

作文

In the vast kingdom of nature, few creatures are as diverse and fascinating as insects. These tiny beings, which belong to the class Insecta, make up a significant portion of the Earth's biodiversity. With over a million described species, insects represent more than half of all known living organisms on our planet. Their remarkable adaptability and unique characteristics have allowed them to thrive in nearly every environment, from the deepest oceans to the highest mountains. In this essay, we will explore the importance of insects in our ecosystem, their roles in agriculture, and the threats they currently face.Firstly, insects play a crucial role in maintaining ecological balance. They are key contributors to pollination, a process essential for the reproduction of many flowering plants. Without insects, such as bees and butterflies, countless plants would struggle to reproduce, leading to a decline in food sources for other animals, including humans. Additionally, insects serve as vital decomposers in ecosystems. They break down organic matter, returning nutrients to the soil and facilitating plant growth. This recycling process is fundamental for sustaining healthy ecosystems and ensuring that life continues to flourish.Moreover, insects are integral to agriculture. Many farmers rely on insects for natural pest control, as certain species prey on harmful pests that threaten crops. For instance, ladybugs consume aphids, which can devastate plants if left unchecked. Furthermore, insects like bees are responsible for pollinating a significant portion of the crops we consume, including fruits, vegetables, and nuts. The economic value of insects in agriculture is immense, with billions of dollars attributed to their pollination services alone. Therefore, protecting insects is not only vital for ecological health but also for food security and economic stability.Despite their importance, insects are facing numerous threats. Habitat loss due to urbanization, deforestation, and agricultural expansion has severely impacted insects populations. Additionally, the widespread use of pesticides poses a significant danger to insects, often leading to declines in their numbers. Climate change also affects insects by altering their habitats and life cycles. As temperatures rise and weather patterns shift, many insects struggle to adapt, resulting in population declines and even extinction.In conclusion, insects are an indispensable part of our world, providing essential services that sustain ecosystems and support human life. Their roles in pollination, decomposition, and pest control highlight their importance in both natural and agricultural systems. However, the threats they face cannot be ignored. It is imperative that we take action to protect insects and their habitats, ensuring that they continue to thrive for generations to come. By fostering awareness and implementing sustainable practices, we can help safeguard these incredible creatures and the vital functions they perform in our environment.

在广阔的自然王国中，几乎没有生物像昆虫那样多样且迷人。这些微小的生物属于昆虫纲，占据了地球生物多样性的重要部分。已描述的物种超过一百万，昆虫占据了我们星球上已知生物的一半以上。它们卓越的适应能力和独特的特征使它们能够在几乎所有环境中繁荣生存，从最深的海洋到最高的山脉。在这篇文章中，我们将探讨昆虫在生态系统中的重要性，它们在农业中的作用，以及它们目前面临的威胁。首先，昆虫在维持生态平衡中发挥着至关重要的作用。它们是授粉的重要贡献者，这一过程对许多开花植物的繁殖至关重要。没有昆虫，例如蜜蜂和蝴蝶，无数植物将难以繁殖，导致其他动物（包括人类）的食物来源减少。此外，昆虫在生态系统中作为重要的分解者。它们分解有机物质，将养分返回土壤，促进植物生长。这一循环过程对于维持健康的生态系统至关重要，确保生命得以继续繁荣。此外，昆虫对农业至关重要。许多农民依靠昆虫进行自然害虫控制，因为某些物种捕食对作物构成威胁的有害害虫。例如，瓢虫会吃掉蚜虫，如果不加以控制，它们可能会摧毁植物。此外，像蜜蜂这样的昆虫负责授粉我们所消费的大量作物，包括水果、蔬菜和坚果。昆虫在农业中的经济价值巨大，仅其授粉服务就给农业带来了数十亿美元的经济效益。因此，保护昆虫不仅对生态健康至关重要，而且对食品安全和经济稳定也至关重要。尽管它们重要，但昆虫正面临许多威胁。由于城市化、森林砍伐和农业扩张，栖息地的丧失严重影响了昆虫的种群。此外，广泛使用的农药对昆虫构成了重大危险，常常导致它们数量的下降。气候变化也通过改变昆虫的栖息地和生命周期而影响它们。随着气温上升和天气模式的变化，许多昆虫难以适应，导致种群下降甚至灭绝。总之，昆虫是我们世界不可或缺的一部分，提供维持生态系统和支持人类生活的基本服务。它们在授粉、分解和害虫控制中的作用突显了它们在自然和农业系统中的重要性。然而，面临的威胁不能被忽视。我们必须采取行动保护昆虫及其栖息地，确保它们在未来的世代中继续繁荣。通过提高意识和实施可持续实践，我们可以帮助保护这些令人难以置信的生物及其在我们环境中执行的重要功能。