At an extreme end, when a dog is especially anxious it bares its teeth or may bite, but Dr Coren said there are 'subtler indicators' that it may be uncomfortable.
极端情况下,如果狗狗极度焦虑,就会龇牙,或者咬人,但是科伦博士说还有“更微妙的迹象”表明它也许非常难受。
the buckets were riddled with bite marks dating back to last spring when our dog Tapioca got depressed and started eating metal.
铁桶上布满齿痕,那还是去年春天的事那时我家的狗——木薯卡,闷闷不乐爱上了嚼铁桶
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