英语作文中描述动物的词汇丰富多样,这些词汇不仅可以帮助我们更加生动地描绘动物的特征，还能让我们的作文更具表现力，以下是一些常用的英语作文中描述动物的词汇：
动物种类：cat（猫）、dog（狗）、bird（鸟）、fish（鱼）、turtle（乌龟）、snake（蛇）、lion（狮子）、tiger（老虎）、elephant（大象）、monkey（猴子）等。
外貌特征：beautiful（美丽的）、ugly（丑陋的）、tall（高的）、short（矮的）、fat（胖的）、thin（瘦的）、long（长的）、short（短的）、black（黑色的）、white（白色的）、brown（棕色的）、yellow（黄色的）等。
行为习性：playful（爱玩耍的）、lazy（懒惰的）、aggressive（好斗的）、intelligent（聪明的）、kind（善良的）、mean（卑鄙的）、cunning（狡猾的）、gentle（温和的）、wild（野性的）、domesticated（驯服的）等。
环境适应：adapted（适应的）、habitat（栖息地）、endangered（濒危的）、extinct（灭绝的）、endangered species（濒危物种）、conservation（保护）等。
动物关系：pet（宠物）、companion（伴侣）、predator（捕食者）、prey（猎物）、mate（配偶）、offspring（后代）、parent（父母）等。
以下是一篇关于描述猫的英语作文：
My favorite animal is the cat. Cats are beautiful creatures with soft fur and bright eyes. They come in various colors, such as black, white, brown, and gray. My cat, Whiskers, is a black cat with a white patch on his chest. He has a long, slender body and a bushy tail.
Cats are playful and curious animals. They love to explore their surroundings and play with toys. Whiskers is no exception. He always seems to be on the prowl for new things to investigate. When he finds something interesting, he paws at it and examines it closely.
Cats are also independent and self-sufficient. They can survive on their own for a long time, even without human companionship. However, they enjoy the company of humans and can be affectionate and loyal pets. Whiskers loves to curl up on my lap and purr contentedly while I read a book.
In addition to their charming personalities, cats are also beneficial to humans. They can catch mice and other pests, which helps to keep our homes clean and safe. Cats also have a calming effect on people, and many people find that petting a cat can reduce stress and anxiety.
In conclusion, cats are fascinating animals with many appealing qualities. Their beauty, playfulness, and loyalty make them popular pets around the world. I am grateful to have Whiskers as my companion, and I enjoy the many joys he brings into my life.