copepoda

copepoda音标为["kəʊpəʊdə]（发音时注意："的发音为/əʊ/），意思是甲壳动物门中尾下纲的统称。

速记技巧：可以将这个单词分解为“cop”（表示“警察”）和“pod”（表示“球”）两个部分，从而记住它是由警察和球组成的。

基本翻译：尾下纲是甲壳动物门中的一个纲，其特点是具有一对尾肢，位于身体末端的下方。在copepoda中，这个纲包括了许多重要的海洋生物，如龙虾、螃蟹等。

Copepods是节肢动物门甲壳动物纲的桡足类，英文词源可能来自拉丁语“corpus”（身体）和“opep”（足）的组合，意为“身体上的足”。

变化形式：复数形式为copepods，过去式为copi，过去分词为copied。

相关单词：

1. copepodite：桡足类幼体，指桡足类幼体。

2. copepodometry：桡足类测量学，研究桡足类的测量和分类。

3. copepodid：桡足类幼体之一，是桡足类中最小的一种。

4. copepodite-larva：桡足类幼体-幼体，指桡足类幼体和幼体的统称。

5. copepodite-larvae：桡足类幼体群，指桡足类幼体和幼体的总称。

6. copepod-like：类似桡足类的，指形态上与桡足类相似的生物。

7. copepod-like organism：类似桡足类的生物，指形态上与桡足类相似的生物体。

8. copepod-like animal：类似桡足类的动物，指形态上与桡足类相似的动物。

9. copepod-like creature：类似桡足类的生物体，指形态上与桡足类相似的生物。

10. copepod-like species：类似桡足类的物种，指形态上与桡足类相似的物种。

总之，Copepods作为桡足类的英文名称，其词源来自拉丁语“corpus”和“opep”，变化形式包括复数、过去式和过去分词等。相关单词包括其幼体、幼体群、类似生物、类似动物等，这些单词在生物学和生态学领域都有广泛的应用。

copepods

常用短语：

1. copepods count - 计数桡足类生物

2. copepod sample - 桡足类样本

3. copepod predation - 桡足类捕食

4. copepod reproduction - 桡足类繁殖

5. copepod growth - 桡足类生长

6. copepod larva - 桡足类幼虫

7. copepod feeding habits - 桡足类摄食习性

双语例句：

1. The water samples we collected contained a large number of copepods. (我们采集的水样中包含大量的桡足类生物。)

2. The copepod population in the lake has been increasing steadily over the past few years. (近年来，湖泊中的桡足类生物数量一直在稳步增长。)

3. Copepods are an important food source for many marine animals. (许多海洋动物的重要食物来源之一是桡足类生物。)

4. Copepods play a crucial role in the ocean"s food web, providing food for larger predators. (桡足类生物在海洋食物链中起着至关重要的作用，为更大的捕食者提供食物。)

5. The copepod"s reproduction rate has been affected by climate change, leading to changes in the ocean"s ecosystem. (桡足类生物的繁殖率受到气候变化的影响，导致海洋生态系统发生变化。)

6. Copepods are an essential component of the marine food web, providing food for many species of fish and other marine animals. (桡足类生物是海洋食物网的重要组成部分，为许多种类的鱼和其他海洋动物提供食物。)

7. Understanding the feeding habits of copepods is crucial for predicting how marine ecosystems will respond to climate change. (了解桡足类生物的摄食习性对于预测海洋生态系统对气候变化的反应至关重要。)

英文小作文：

Copepods are tiny marine animals that play a crucial role in the ocean"s food web. They are an essential component of the marine ecosystem, providing food for many species of fish and other marine animals. However, climate change is affecting their reproduction rate and feeding habits, leading to changes in the ocean"s ecosystem. Understanding these changes and how they affect marine life is crucial for ensuring a sustainable future for our oceans.

Copepods are small, but they have a significant impact on the ocean"s ecosystem. They are an essential link in the food chain, providing food for larger predators and playing a crucial role in maintaining the balance of the ecosystem. However, as the climate changes, these tiny animals are facing new challenges and pressures that could affect their survival and the health of the ocean"s ecosystems. It is our responsibility to understand these changes and take action to protect these important species and the environment they depend on.