一只棕黑相间的大狗，带着严肃的表情。

A large brown and black dog, with a serious expression.

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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.

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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