Their intelligence, friendly disposition, and "smiling" faces make dolphins popular in large aquariums and with divers.

宽吻海豚以它们的智慧、友善的性格和“微笑”的面孔，使它们在大型水族馆里和潜水员中受到了欢迎。

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And they appear to have a very happy and friendly disposition.

而且他们看上去都非常快乐，非常友好。

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Friendly disposition with no trace of nervousness or aggressiveness. A great companion dog, friendly, happy and active, good with children and other dogs.

非常友好，没有神经质或好斗的迹象。极佳的伴侣犬，友好，快乐，活泼，对小孩和其他犬类友好。

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Friendly disposition with no trace of nervousness or aggressiveness. A great companion dog, friendly, happy and active, good with children and other dogs.

非常友好，没有神经质或好斗的迹象。极佳的伴侣犬，友好，快乐，活泼，对小孩和其他犬类友好。

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