chordate

chordate的音标是[ˈkɔːrdət]，基本意思是“有横纹肌的动物”。速记技巧：chordate由chord+ate组合而成，chord表示“弦”，ate表示“吃”，可以理解为“吃弦的动物”。

Chordate这个词源自希腊语，意为“有弦的”。它的词源可以追溯到古希腊语中的“χορδή”（意为弦或琴弦）。Chordate这个词在英语中通常指具有由横纹肌肉组织构成的类似琴弦的器官的动物，如人类和鱼类等。

变化形式：复数形式为chordata，单数形式为chordate。

相关单词：

1. fish（鱼） - 鱼类是chordate的一种，具有类似琴弦的器官。

2. human（人类） - 人类也是chordate的一种，具有复杂的神经系统和类似琴弦的器官。

3. amphioxus（原头虫） - 原头虫是chordate的原始类型之一，是研究脊椎动物演化的重要材料。

4. chordiferous（有弦的） - 这个形容词用来形容具有类似琴弦的器官的生物或物体。

5. neural（神经的） - chordate的神经系统非常发达，因此这个形容词用来描述神经相关的主题。

6. craniospinal（颅骨和脊髓的） - chordate的颅骨和脊髓共同构成了其神经系统的基础。

7. myoid（肌样的） - chordate的横纹肌肉组织与肌样组织有关，因此这个形容词用来描述肌肉或肌肉样组织。

8. cranioencephalic（颅脑的） - 这个词用来描述与颅骨和大脑有关的区域或结构。

9. neuroectoderm（神经外胚层） - chordate的神经外胚层是其神经系统的基础，这个词用来描述这一组织类型。

Chordate作为一类动物，在生物学中具有重要的地位，因为它们是脊椎动物中最基

本和最原始的类型之一，为研究脊椎动物的演化提供了重要的材料。同时，它们也与人类的进化和发展有着密切的关系，因为人类也是chordate之一。

常用短语：

1. chordate life

2. chordate anatomy

3. chordate reproduction

4. chordate development

5. chordate phylogeny

6. chordate classification

7. chordate evolution

双语例句：

1. The chordate is an important part of the animal kingdom.

2. The chordate"s anatomy is unique compared to other animals.

3. Chordate reproduction is typically asexual, but some species reproduce sexually.

4. Chordate development follows a distinct pattern, with a distinct set of stages.

5. Chordates have a long history of evolution, tracing back to the earliest animals on Earth.

6. The chordate"s classification is based on its unique characteristics and relationships with other organisms.

7. The chordate"s adaptability and evolution have made it an essential part of the ecosystem.

英文小作文：

Chordates: The Key to Understanding Life

Chordates are an essential part of the animal kingdom, and understanding their biology and evolution is crucial for understanding life on Earth. Chordates share a unique set of characteristics that distinguish them from other animals, including a hollow central nervous system and a backbone. This unique set of features has allowed chordates to adapt to a wide range of environments and play important roles in ecosystems around the world.

Chordates have a long history of evolution that traces back to the earliest animals on Earth. Their classification is based on their relationships with other organisms and their unique characteristics, making them an essential part of the tree of life. Chordates play important roles in marine and freshwater environments, from small organisms such as fish to larger ones such as humans. Understanding their biology and evolution can help us better understand our own origins and the complexities of life on Earth.