从化石记录中可以了解到一些已经灭绝、但已经完全变成海洋生物的鲸目动物。
Extinct but already fully marine cetaceans are known from the fossil record.
鲸目动物的声音运用能力甚至超过大多数灵长类动物。
根据我们所知道的情况，我猜鲸目动物文化介于人类和黑猩猩之间。
Based on what we know, I'd guess that cetacean culture is intermediate between humans and chimpanzees.
鲸目动物研究所得站点提供该站点历史、目的、研究活动的信息。
The institute of Cetacean research's website provides the information of history, purpose, research activities relevant to this institute.
他们用文化和社会术语来谈论鲸鱼和海豚，称鲸目动物拥有人格性品质。
They talk of whales and dolphins in terms of cultures and societies, and say cetaceans possess qualities of personhood.
如果鲸目动物不能接受这些测试，那么它们就遇到了更高认知力的实验室指标：自身识别。
But if cetaceans can't take these tests, they have met one critical laboratory benchmark of higher cognition: self-recognition.
通过观察海豚、驼背鲸和抹香鲸得知，促进鲸目动物通信进化的是一种在每代以及每个个体间传递鸣叫和强音的能力。
Fueling the evolution of cetacean communication is an ability, observed in dolphins, humpback whales and sperm whales, to pass songs and codas between generations and individuals.
通过观察海豚、驼背鲸和抹香鲸得知，促进鲸目动物通信进化的是一种在每代以及每个个体间传递鸣叫和强音的能力。
Fueling the evolution of cetacean communication is an ability, observed in dolphins, humpback whales and sperm whales, to pass songs and codas between generations and individuals.
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