那只巨大的冰原狼是史塔克家族的象征。

The massive ___direwolf is a symbol of House Stark.

科学家在冰河时期的冰川沉积物中发现了剑齿虎和恐狼的化石。

Scientists found fossils of saber-toothed cats and ___direwolves in the Ice Age glacier deposits.