The animal was believed to be a fierce predator that ate other dinosaurs.

VOA: special.2009.09.01

What would he have done if attacked by a predator or an invading Klingon?

他会怎样做,如果被掠夺者袭击,或者克林贡人入侵？

耶鲁公开课 - 心理学导论课程节选

What would he have done if attacked by a predator or an invading Klingon?

他会怎样做,如果被掠夺者袭击,或者克林贡人入侵？

耶鲁公开课 - 心理学导论课程节选