当狗狗看到愤怒的狗狗时，它们的眼睛更多地停留在嘴巴上，也许是为了分析那些威胁性的表情。
When dogs looked at the expressions of angry dogs, their eyes rested more on the mouth, perhaps to interpret the threatening expressions.
他们猜测可能是因为狗狗们觉得愤怒的脸很讨厌。
They guess it may be because dogs find angry faces disgusting.
当狗狗看到愤怒的同类时，它们的视线更多地会落到嘴巴上，也许这样是为了解读威胁的表情。
When dogs looked at expressions of angry dogs, their eyes rested more on the mouth, perhaps to interpret the threatening expressions.
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