copepoda音標為["k??p??d?]（發音時注意："的發音為/??/），意思是甲殼動物門中尾下綱的統稱。

速記技巧：可以將這個單詞分解為“cop”（表示“警察”）和“pod”（表示“球”）兩個部分，從而記住它是由警察和球組成的。

基本翻譯：尾下綱是甲殼動物門中的一個綱，其特點是具有一對尾肢，位于身體末端的下方。在copepoda中，這個綱包括了許多重要的海洋生物，如龍蝦、螃蟹等。

Copepods是節肢動物門甲殼動物綱的橈足類，英文詞源可能來自拉丁語“corpus”（身體）和“opep”（足）的組合，意為“身體上的足”。

變化形式：復數形式為copepods，過去式為copi，過去分詞為copied。

相關單詞：

1. copepodite：橈足類幼體，指橈足類幼體。

2. copepodometry：橈足類測量學，研究橈足類的測量和分類。

3. copepodid：橈足類幼體之一，是橈足類中最小的一種。

4. copepodite-larva：橈足類幼體-幼體，指橈足類幼體和幼體的統稱。

5. copepodite-larvae：橈足類幼體群，指橈足類幼體和幼體的總稱。

6. copepod-like：類似橈足類的，指形態上與橈足類相似的生物。

7. copepod-like organism：類似橈足類的生物，指形態上與橈足類相似的生物體。

8. copepod-like animal：類似橈足類的動物，指形態上與橈足類相似的動物。

9. copepod-like creature：類似橈足類的生物體，指形態上與橈足類相似的生物。

10. copepod-like species：類似橈足類的物種，指形態上與橈足類相似的物種。

總之，Copepods作為橈足類的英文名稱，其詞源來自拉丁語“corpus”和“opep”，變化形式包括復數、過去式和過去分詞等。相關單詞包括其幼體、幼體群、類似生物、類似動物等，這些單詞在生物學和生態學領域都有廣泛的應用。

copepods

常用短語：

1. copepods count - 計數橈足類生物

2. copepod sample - 橈足類樣本

3. copepod predation - 橈足類捕食

4. copepod reproduction - 橈足類繁殖

5. copepod growth - 橈足類生長

6. copepod larva - 橈足類幼蟲

7. copepod feeding habits - 橈足類攝食習性

雙語例句：

1. The water samples we collected contained a large number of copepods. (我們采集的水樣中包含大量的橈足類生物。)

2. The copepod population in the lake has been increasing steadily over the past few years. (近年來，湖泊中的橈足類生物數量一直在穩步增長。)

3. Copepods are an important food source for many marine animals. (許多海洋動物的重要食物來源之一是橈足類生物。)

4. Copepods play a crucial role in the ocean"s food web, providing food for larger predators. (橈足類生物在海洋食物鏈中起著至關重要的作用，為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. (橈足類生物的繁殖率受到氣候變化的影響，導致海洋生態系統發生變化。)

6. Copepods are an essential component of the marine food web, providing food for many species of fish and other marine animals. (橈足類生物是海洋食物網的重要組成部分，為許多種類的魚和其他海洋動物提供食物。)

7. Understanding the feeding habits of copepods is crucial for predicting how marine ecosystems will respond to climate change. (了解橈足類生物的攝食習性對于預測海洋生態系統對氣候變化的反應至關重要。)

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.