a tall breed of dog, originally from Russia, with a long, thin, pointed face and long hair

The borzoi is a breed of domestic dog also called the Russian wolfhound. 波索尔是一种家犬，也叫俄罗斯狼犬。

The borzoi would pursue the wolf and hold it until the hunter arrived. 俄罗斯狼犬会一直追着狼，一直拖到猎人赶来。