研究人员发现，狗能够通过用鼻子触碰图片，来选择愤怒或快乐的面孔，其概率超过了人们对随机性的预期。

The researchers found that the dogs were able to pick the angry or happy face by touching a picture of it with their noses more often than one would expect by random chance.

youdao

研究人员发现，狗能够通过用鼻子触碰图片，来选择愤怒或快乐的面孔，其概率超过了人们对随机性的预期。

The researchers found that the dogs were able to pick the angry or happy face by touching a picture of it with their noses more often than one would expect by random chance.

youdao