这些婴儿先给看两张同一只蓬松犬的照片，一张是狗充满挑衅的姿态和表情，另一张是狗温顺的姿势。
The babies first looked at two images of the same fluffy canine, one showing the dog in an aggressive posture and facial expression while the other showed the dog in a friendly stance.
这些婴儿先给看两张同一只蓬松犬的照片，一张是狗充满挑衅的姿态和表情，另一张是狗温顺的姿势。
The babies first looked at two images of the same fluffy canine, one showing the dog in an aggressive posture and facial expression while the other showed the dog in a friendly stance.
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