Al·sa·tian
noun/ælˈseɪʃn/
/ælˈseɪʃn/
(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
德国牧羊犬（常训练成警犬，看家护院，尤其在美国用作导盲犬） Word Originfrom medieval Latin Alsatia ‘Alsace’ + -an.