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Police dogs were set on the protesters.警犬开始扑向示威人群。Police dogs picked up the scent of the two men from clothes they had left behind.警犬从那两名男子留下的衣服上闻出了他们的气味。Police dogs are trained to attack in certain circumstances.警犬受过训练，会在某些情况下攻击人。A police dog, trained to sniff out explosives, found evidence of a bomb in the apartment.一只训练有素、专门嗅找炸药的警犬在公寓里发现了炸弹的痕迹。Police have trained the dogs to smell out drugs.警察已经训练过警犬凭嗅觉搜查毒品。Dog patrols had been intensified around the camp's perimeter.在营地周围携带警犬的巡逻队加强了。The protesters were set upon by police dogs.示威者遭到了警犬攻击。The police used dogs to clear the campers off the village green.警察用警犬来驱走在乡村绿地上露营的人。The dogs discovered that the men were hiding drugs about their persons.警犬发现这些人身上藏有毒品。Police dogs have a very keen sense of smell and can scent even the slightest traces of drugs.警犬的嗅觉非常灵敏，即使是一点点毒品的气味也能嗅出来。Customs officers use specially trained dogs for drug searches.海关官员利用经特别训练的警犬搜寻毒品。Dozens of officers combed the area with search dogs.几十名警官带着警犬仔细搜索了这一区域。A police dog picked up the murderer's scent.一只警犬嗅出了凶手的气味。They have searched the island twice—helicopters, dogs, the lot.他们已把岛屿搜了两遍，动用了直升机、警犬等一应手段。He used to breed dogs for the police.他曾经为警方培育警犬。Last Wednesday a search using dogs and imaging equipment was finally made in the house and garden.上星期三，采用警犬和成像设备对这座房子和花园进行了最后搜查。The body was found after an extensive search by police with tracker dogs.警方在动用警犬进行了大规模的搜索后找到了尸体。Officials used guard dogs to eject the protesters.官员们用警犬驱散抗议人群。Security staff circled the grounds of the house with guard dogs every hour.保安人员每小时都带着警犬在那幢房子周围巡逻。 |