For many years, John Pilley, 83, taught psychology at Wofford College in Spartanburg, South Carolina. His specialty was animal learning.

83岁高龄的大学心理学教授约翰·皮利是动物习得领域的专家，在1996年退休之后继续研究他的宠物察塞。

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Pilley worked with Chaser four or five hours a day.He'd show her an object, a soft toy, for example, give it a name, and repeat it until Chaser understood the association.

皮利每天教察塞学习4到5小时，皮利先会给这只狗展示一个物品，比如一只玩具，然后不断地重复玩具的名字，直到察塞明白它的关联。

youdao

Pilley worked with Chaser four or five hours a day. He'd show her an object, a soft toy, for example, give it a name, and repeat it until Chaser understood the association.

皮利每天教察塞学习4到5小时，皮利先会给这只狗展示一个物品，比如一只玩具，然后不断地重复玩具的名字，直到察塞明白它的关联。

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He was originally interviewed as a witness because officers thought Ms Pilley was alive.

BBC: David Gilroy fails in Supreme court appeal bid

However, it became clear to officers Gilroy had murdered Ms Pilley and he was arrested and charged.

BBC: David Gilroy fails in Supreme court appeal bid

Prosecutors believe Gilroy attacked Ms Pilley and transported her remains in the back of his car across Scotland.

BBC: David Gilroy fails in Supreme court appeal bid