A：Do you know that the dolphin is the most intelligent animal in the world?
你知道海豚是世界上最聪明的动物吗?
B：Yes. Dolphins have a big brain and they are very smart. They are also the fastest swimmers in the world.
是的。海豚有一个很大的大脑，它们很聪明。它们还是世界上游泳游得最快的。
A：They must be amazing animals.
它们真是神奇的动物。
B：They are. I read a story about a dolphin saving a A from drowning in the sea.
它们就是。我读过一个故事，讲述一只海豚救了一个溺水的男子。
A：I read that story too. They seem to be able to understand men.
我也读过那个故事。它们看起来能理解人类。
B：They sure can. Maybe they can interact with men better than monkeys and apes.
它们当然可以。也许它们比猴子和猿类能更好地很人类交流。