In the vast ocean live many creatures with great intellectual and physical capacities. Dolphin is one of those great creatures, whose capacities to think and move at an astounding rate puzzle those who study their behaviors, Dolphins possess something that makes them different from all the other sea creatures. It is not strength or speed but the size of their brains. Dolphin's brain is almost the same size as that found in the human head. They live for a ling time.
Dolphins'babies are born in the water. They can grow up to three and a half meters long.
Dolopins use sound to help them find their way, look for their food and talk with each other. Sound is just like their eyes and mouths.
原文翻譯：
在浩瀚的海洋生物生活的許多偉大的智力和身體的能力。海豚是那些偉大的人之一，他們的思考能力，以驚人的速度難題人研究他們的行為舉動，海豚擁有的東西，使他們不同于其他所有的海洋生物。它不是力量或速度，但是他們大腦的大小。海豚的大腦幾乎是相同的大小，發(fā)現(xiàn)在人的頭。它們的壽命很長。
dolphins'babies是天生的在水里。它們能長到三米半長。
海豚利用聲音來幫助他們找到他們的路，尋找食物和交談。聲音就像它們的眼睛和嘴。
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