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A dog collar is a collar worn by a dog. 狗脖套
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A dog collar is a stiff, round, white collar that fastens at the back and that is worn by Christian priests and ministers. (基督教神父和牧师戴的)白色硬圆领
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Operation Freedoms Paws, which runs on donations and community support, provides veterans with vests, leashes, collars, bowls, food and initial medical care and vaccines for the dog.