Dolphins are animals. They live in the sea. They have warm blood, breathe air and feed their babies with milk, just like humans.
海豚是动物。他们生活在海洋里。他们有和人一样的热血，像人一样地呼吸空气和给孩子喂奶。
Dolphins are animals. They live in the sea. They have warm blood, breathe air and feed their babies with milk, just like humans.
海豚是动物。他们生活在海洋里。他们有和人一样的热血，像人一样地呼吸空气和给孩子喂奶。
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