海豚英语介绍-dolphin-presentationPPT课件
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海豚简介英文带翻译Introduction to Dolphins。
Dolphins are highly intelligent marine mammals that belong to the family Delphinidae. They are found in oceans and seas all over the world, and are known for theirplayful behavior and unique communication skills.Physical Characteristics。
Dolphins are streamlined and muscular, with a fusiform body shape that allows them to swim quickly and efficiently through the water. They have a dorsal fin on their backthat helps them maintain balance, and a horizontal tail fin called a fluke that propels them forward. Dolphins have a blowhole on the top of their head that allows them to breathe air, and they can hold their breath for several minutes when diving.Behavior and Communication。
Dolphins are social animals and are known for their playful behavior, often riding the waves and jumping out of the water. They also communicate with each other using a complex system of clicks, whistles, and body language. This communication allows them to work together to hunt for food and protect each other from predators.Diet。