Expository essay about dolphins 5oo words

Water bai in the marine park

The pool is very large, and there are two little dolphins in it

Cheerful frolic. Cute dao

The dolphin's body is like being smeared with oil, and the oil is shiny. It has a fin on its back, and its belly is as white as snow. It's funny that the tail is wagging flexibly.

At this time, the wonderful ** remembered, and the dolphin began to perform the show. The dolphin has a lot of skills, but it is the best at performing drill rings. I stared intently at the dolphins, for fear of missing every movement of the baby dolphins.

I saw the dolphin jump, put on a beautiful posture and drill over, splashing beautiful waves. It was so good that I clapped so hard that my little hands turned red.

Do you know why dolphins are so smart? Because dolphins have two brains and are as smart as humans. When it sleeps, one eye is open and the other eye is closed, one brain is working, the other brain is asleep, and it is very alert. This is the only way to avoid danger to the greatest extent.

Dolphins are such intelligent and cute animals, I love baby dolphins so much. I was about to shed tears when I left it, and I hope that I will have the opportunity to visit the little dolphin again, and I wish the little dolphin a happy and healthy life forever.

I'm little bai

I like little dolphins very much, du

When I was six years old, my uncle gave it to me.

Dao a cute to play.

Back to the baby dolphin. I replied.

I love it. This baby dolphin is cute, it is covered in blue fur and has a light blue face. A pair of big jewel-like eyes seemed to say something to me.

What's interesting is its beak, which is flattened, about the size of a duck's beak. There is a pair of short fins next to the head. It has a white belly under the scissor-shaped tail.

From afar, it looks like a blue gem. So I named him "Blue Blue".

Once, when I finished my homework, I put my "Lanlan" next to me, and he stared at me with both eyes, as if to say to me, "Little master, what game are you going to play with me?" I had no choice but to put it on my bedside and whisper to him:

It's time to sleep, little thing, I'm going to school tomorrow. So, I fell asleep with it in my arms, and I had a dream that the baby dolphin had grown up, and I rode it to the United States, Japan, England, ......Go travel the world. "Get up, get up!

It turned out that my mother woke me up from my dream. The little dolphin brings me a lot of joy and I love it. ......

Tiara records Ka Ka

You have to chirp a lot.

A brief description of the dolphin should be written, and then the other details should be elaborated on in an explanatory manner.

The beginning can look like this:

Dolphins are small cetaceans with nearly 62 species distributed in the world's oceans, mainly feeding on small fish, squid, shrimp and crabs. Dolphins are sea mammals that are extremely capable and intelligent.

Dolphins belong to the suborder of mammals, cetaceans, and toothed whales, and the dolphin family, commonly known as dolphins, is a small cetacean, with nearly 62 species, distributed in the world's oceans. The body length is meters, and the weight is 23 225 kg. Dolphins generally have pointed mouths (except killer whales) and about 101 sharp teeth in the upper and lower jaws, and feed mainly on small fish, squid, shrimp, and crabs.

Dolphins like to live a "collective" life, ranging from a few to hundreds. Dolphins are sea mammals that are extremely capable and intelligent. After training, you can play table tennis, jump fire rings, etc.

The brain of dolphins is the most developed of marine animals. The human brain accounts for one's own body weight, and the dolphin's brain accounts for its weightThe dolphin's brain is composed of two completely separated parts, one of which is working, and the other part is resting, so that the dolphin room can be rented for life. Dolphins rely on echolocation to determine the distance, direction, position, shape, and even the nature of the object.

Dolphins have been blindfolded and muddied by muddying the waters, and they can quickly and accurately catch the food thrown at them. Dolphins not only have amazing hearing, but also swim and dive with extraordinary skills. According to some tests, the dolphin's diving record is 300 meters deep, while the human ** wetsuit can only dive 20 meters.

As for its swimming speed, it is even more incomparable to humans. The dolphin can reach speeds of up to 40 knots per hour, which is equivalent to the moderate speed of a torpedo boat....Because its body is streamlined, it also has good elasticity.