annelid

annelid的音标为[ˈænlɪd]，基本翻译为“环节动物”，速记技巧为：环节动物（annelid）包括蚯蚓、蚂蟥、沙蚕等。

Annelid的英文词源是拉丁语单词“annelus”，意为“蠕虫”。这个词来源于“annulus”，意为“圆环”或“环状物”。

Annelid的变化形式包括复数形式“annelids”，以及过去式和过去分词形式“annelied”。

相关单词包括：earthworm（蚯蚓）、segmented worm（环节动物）、segmented annelid（环节动物）、annelid annelid（环节动物）、annelid annelidic（环节动物）、annelidic annelid（具环节的环节动物）、anneloid annelid（环虫类）、annelinid annelid（线虫类）、anneliiform annelid（蠕虫类）和annelidic annelids（环节动物门）。

这些单词都描述了环节动物这一类生物，它们具有许多环节，通常在土壤中爬行，是许多生态系统中的重要组成部分。它们在生物学和生态学中都有重要的应用。

常用短语：

1. Annelid zoology 环节动物学

2. Annelid worms 环节动物

3. Annelid community 环节动物群落

4. Annelid life cycle 环节动物生命周期

5. Annelid reproduction 环节动物繁殖

6. Annelid behavior 环节动物行为

7. Annelid classification 环节动物分类

双语句子：

1. 环节动物是许多生物的组成部分，比如蚯蚓和沙蚕。

2. 蚯蚓在土壤中穿行，它们是环节动物的一种。

3. 在海洋中，环节动物也扮演着重要的角色。

4. 沙蚕是一种常见的环节动物，它们在海洋生态系统中起着重要的作用。

5. 环节动物的繁殖方式非常特别，它们通过分裂来繁殖。

6. 环节动物的行为多种多样，有些会互相合作，有些则会互相竞争。

7. 环节动物的分类学研究对于理解生物多样性非常重要。

英文小作文：

The annelids are an interesting group of animals that play a crucial role in many ecosystems. From soil to the ocean depths, these creatures are found in abundance and are a crucial part of the food chain. Some of the most common examples of annelids include earthworms and segmented worms such as the sand-dwelling segmented worm.

Their unique reproductive strategies and behaviors have fascinated biologists for centuries. They often reproduce by splitting into two individuals, which is a fascinating process that requires precise coordination between individuals in the same species. Additionally, their social behaviors have also been studied extensively, where some species have been observed cooperating with each other to complete tasks that are beyond their individual capabilities.

Moreover, the classification of annelids has also been a topic of intense research, as it has helped us understand the evolution of other groups of animals such as the arthropods and mollusks. Understanding the diversity and evolution of annelids has opened up a whole new world of scientific exploration and discovery.