Today at Discovery News you can find out why dolphins are now believed to be the world's second most intelligent animals, with only humans displaying greater brainpower.
今天，在探索新闻里，我们将向您揭示为何海豚被认为是目前智力仅居于人类之后的、世界上第二聪明的动物。
Today at Discovery News you can find out why dolphins are now believed to be the world's second most intelligent animals, with only humans displaying greater brainpower.
今天，在探索新闻里，我们将向您揭示为何海豚被认为是目前智力仅居于人类之后的、世界上第二聪明的动物。
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