警犬的用法和樣例：
例句
-
警犬會很快嗅到罪犯的蹤跡。
The hound will soon smell the criminal out. -
防盜警報器一響，警衛就放出了警犬。
The guard loosed the dogs when the burglar alarm went off. -
帶著警犬領路吧，它馬上會把好傢夥的行蹤嗅出來。
Lead the way with the police dog; he'll soon small the fellow out.
