echinodermata

echinodermata音标为["i:kɪnəʊdɜːmətə] ，基本翻译为“棘皮动物门”，速记技巧为：棘皮动物浑身长满刺。

Echinodermata是一个生物分类学上的术语，指的是棘皮动物门。这个词的词源来自于希腊语，其中“echino”指的是“刺”或“棘”，而“derma”指的是“皮肤”或“外壳”。

这个词的变化形式包括复数形式“echinoderms”和过去式和过去分词形式“echinodermed”。

相关单词包括：echinocone（海胆口），echinodermatologist（棘皮动物学家），echinoplankton（棘皮动物浮游生物），echinodermatastic（棘皮动物门的），echinoderm（棘皮动物）等。

这些单词在生物学和分类学中都有广泛的应用，特别是在研究棘皮动物门的结构和功能方面。此外，这些单词也经常出现在与海洋生物学和生态学相关的文献和研究中。

echinodermata常用短语：

1. starfish arms - 星鱼触手

2. echinoderm - 海胆类动物

3. sea urchin - 海胆

4. sea cucumber - 海参

5. brittle star - 脆骨星

6. echinoid - 海星类动物

7. sea hedgehog - 海刺猬

8. sea scorpion - 海蝎

双语例句：

1. The children were playing with the starfish arms, catching each other"s attention.

孩子们正在玩海星触手，吸引了彼此的注意力。

2. The echinoderms are an interesting group of marine animals that are often found in rocky areas.

海棘皮动物是一种有趣的海洋动物群体，通常在岩石地区被发现。

3. Sea urchins are a common sight on the beach, and they are often used for food.

海滩上经常可以看到海胆，它们通常被用作食物。

4. The brittle stars are often found in shallow waters and they have a unique appearance.

脆骨星通常在浅水域中常见，它们具有独特的外观。

5. Echinoderms are an amazing group of animals that have adapted to many different environments.

海棘皮动物是一种适应多种环境的惊人动物群体。

6. Sea scorpions are a type of echinoderm that is often found in tropical waters.

海蝎是一种海棘皮动物，通常在热带水域中发现。

7. The sea hedgehogs are a type of echinoderm that is often found in shallow waters and bays.

海刺猬是一种海棘皮动物，通常在浅水域和海湾中发现。

英文小作文：

Echinoderms are an amazing group of marine animals that have adapted to many different environments. They are often found in rocky areas, but also in shallow waters and bays. These animals have unique features that make them very interesting to observe and study. Some of the most interesting features of echinoderms are their spiny or star-shaped bodies, which give them a unique appearance. They also have long and thin legs that can move quickly and help them move around in their habitat. Echinoderms are also very social animals, with some species living in colonies or groups where they can protect themselves and their young from predators. In conclusion, echinoderms are an amazing group of marine animals that should be protected and preserved for future generations to enjoy their beauty and diversity.