耳朵的动作影响到狗的表情，并明显地表达出他的情绪。

Ear motion contributes to expression and clearly defines the mood of the dog.

youdao

耳朵的动作影响到狗的表情，并明显地表达出他的情绪。

Ear motion contributes to expression and clearly defines the mood of the dog.

youdao