Alsatian
noun (British English)(also German shepherd North American English, British English)
a large dog, often trained to help the police, to guard buildings or (especially in the US) to help blind people find their way Topics Animalsc1德國牧羊犬(常訓練成警犬,看家護院,尤其在美國用作導盲犬) Word Originfrom medieval Latin Alsatia ‘Alsace’ + -an.