警察犬 K9〔【語源】canine（ケイナイン）から〕●job dog●police canine●police dog●tracker dog

警察犬が殺人者を追跡中だ,すぐに捕まるはずだ The police dogs are on the track [tail, trace, trail] of the killer -- we should have him soon.

警察犬に捕まる be stopped by a police dog

警察犬はその不審な小包を嗅ぎまわった The police dog sniffed around the suspicious package.

警察犬を使う use sniffer dog

警察犬訓練士 dog handler

警察犬部隊 police canine unit

警察犬部隊が安全かつ効果的に任務を遂行するためには厳しい訓練が欠かせない Hard trainings are essential to safe and effective performances of any police canine unit.