arachnidan

arachnidan的音标为["ærəknɪdən]，其基本翻译为“蛛形纲动物”。速记技巧可以考虑谐音记忆，即“啊，人人都爱恐龙”。

Arachnidan这个词来源于希腊语词根“arachne”，意思是蜘蛛。这个词可以变化为“arachnoid”，表示“蜘蛛状的”或“蛛形的”。

相关单词：

1. “spider” - 蜘蛛，这是最直接与Arachnidan相关的单词。它源于拉丁语“spidere”，意为“有洞的”。

2. “arachnid” - 蜘蛛和其它蜘蛛状生物的统称，来自Arachnidan的词根。

3. “arachnophobia” - 蜘蛛恐惧症，来自希腊语“phobos”害怕。

4. “arachnoid” - 如上所述，这个词描述一个物体形状像蜘蛛。

5. “arachniform” - 形状或外观像蜘蛛的。

6. “arachnoiditis” - 一种炎症，其特征是蛛网膜下腔增宽，类似于蜘蛛网。

7. “arachnoid” - 蛛网膜，这是位于脑和脊髓表面的一层薄膜，具有蜘蛛网般的结构。

8. “arachnoidermia” - 蛛网膜下腔出血，这是一种病症，描述血液积聚在蛛网膜下腔内。

9. “arachnoidencephalitis” - 描述蛛网膜下腔内发生炎症的大脑炎，这是一种罕见的疾病。

10. “arachnoidocystocele” - 描述蛛网膜囊肿突出到骨盆区域的病症。

以上这些单词都与蜘蛛和蜘蛛状生物有关，反映了人类对这种生物的好奇心和对其特性的深入理解。

Arachnidan常用短语：

1. arachnidan behavior - 蛛形纲的行为

2. arachnidan anatomy - 蛛形纲的解剖结构

3. arachnidan classification - 蛛形纲的分类

4. arachnidan evolution - 蛛形纲的进化

5. arachnidan diversity - 蛛形纲的多样性

6. arachnidan function - 蛛形纲的功能

7. arachnidan species - 蛛形纲的物种

例句：

1. The arachnidan spider has evolved to use its venom to hunt prey.

蜘蛛蛛形纲利用毒液捕猎猎物。

2. The arachnidan anatomy of the snake is unique in that it has a muscular body and a prehensile tail.

蛇蛛形纲的解剖结构独特，它具有肌肉的身体和缠绕性的尾巴。

3. Arachnidan diversity is incredible with over 50,000 species worldwide.

蛛形纲的多样性令人难以置信，全世界有超过5万种。

英文小作文：

My favorite animal is the arachnidan spider. It is fascinating to observe its unique behavior and anatomy. The arachnidan spider has evolved to use its venom to hunt prey, which is a remarkable adaptation that allows it to capture its opponents quickly and efficiently. Its muscular body and prehensile tail make it an excellent hunter and climber.

On the other hand, the arachnidan spider"s diversity is incredible with over 50,000 species worldwide. Each species has its own unique characteristics and adaptations that make it unique in its own way. From the beautiful patterns on its skin to the way it moves, the arachnidan spider is truly a marvel of nature.

In conclusion, the arachnidan spider is an amazing animal that deserves to be admired and respected for its unique traits and adaptations. I hope that one day we will be able to learn more about these amazing creatures and help protect them from extinction.