crustacean

crustacean的音标为[krʌstɪˈseɪən]，基本翻译为“甲壳动物”。

速记技巧：crustacean由两个单词组成：“crust”可以理解为“外壳”，“ace”可以谐音理解为“甲”，“an”表示“这个类群”，连在一起就可以理解为“甲壳的外壳”。

Crustacean是一个英文单词，意思是甲壳类动物。这个词的词源可以追溯到拉丁语中的“crusta”或“crustosus”，意为“覆盖着壳的”。

变化形式：复数形式为crustaceans，过去式为crustaceated或crustaceated，现在分词为crustacean。

相关单词：

1. crab螃蟹：这个单词源于拉丁语中的“crabus”或“crab”，意为“螃蟹”。

2. lobster龙虾：这个单词源于拉丁语中的“loba”或“lobatus”，意为“半圆形”或“扇形”，因此龙虾的形状被用来命名这个单词。

3. shrimp虾：这个单词源于古英语中的“scrymp”，意为“小虾”。

4. mantis螳螂：这个单词源于希腊语中的“mantis”，意为“捕食者”。

5. hermit crab寄居蟹：这个单词中的“hermit”意为“隐士”，因此这个单词描述的是一种住在别人遗弃的壳内的螃蟹。

6. barnacle藤壶：这个单词中的“barnacle”意为“松脂”，因此藤壶是一种附着在船只或其他物体上的甲壳类动物。

7. crabapple山楂果：这个单词中的“crab”和“apple”两个词组合在一起，形成了这个单词，表示一种类似苹果的果实。

8. crustacean shell甲壳类动物壳：这是一个由crustacean派生的名词，表示甲壳类动物的壳。

9. crustacean disease甲壳类动物疾病：这个单词表示由甲壳类动物引起的疾病。

10. crustacean farming甲壳类动物养殖：这个单词表示养殖甲壳类动物的活动。

常用短语：

1. crustacean shell 甲壳

2. crustacean exoskeleton 甲壳质

3. crustacean poison 蟹毒

4. crustacean extract 甲壳提取物

5. crustacean repellent 甲壳驱虫剂

6. crustacean treatment 甲壳处理

7. crustacean-based diet 甲壳类食物

例句：

1. The crab has a hard crustacean shell that protects its soft body.

2. The exoskeleton of the crustacean is a rich source of protein.

3. The patient was poisoned by a crustacean and needed immediate medical attention.

4. The extract from the crustacean is effective in treating skin diseases.

5. The crustacean repellent spray keeps the insects away from the food.

6. The crustacean treatment ensures that the fish is free of parasites.

7. The diet of the marine animals includes a variety of crustaceans.

英文小作文：

Crustaceans are fascinating creatures that have fascinated humans for centuries. From their hard exoskeletons to their unique swimming techniques, crustaceans are truly unique animals that deserve our attention and respect.

In my opinion, crustaceans are one of the most important components of the ocean ecosystem. They play a crucial role in maintaining the balance of the ocean, and their presence is essential for the survival of other marine species. At the same time, crustaceans are also an essential part of our diet, providing us with a variety of delicious dishes that are full of protein and other essential nutrients.

However, with the rapid development of human activities, the ocean environment is facing increasing threats that are having a negative impact on crustaceans and other marine species. It is therefore crucial that we take action to protect these precious creatures and ensure that they continue to thrive in our oceans for future generations to enjoy.