police dog
US /pəˈliːs dɔːɡ/
UK /pəˈliːs dɔːɡ/
1.
警犬
a dog trained to assist police, for example in tracking criminals or detecting drugs
:
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The police dog quickly found the missing child.
警犬很快找到了失踪的孩子。
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A trained police dog can detect various substances.
训练有素的警犬可以检测各种物质。