- Two million years ago, and our planet is a very different place.
200万年前 我们的星球与现在完全不同 - A saber-toothed cat,
牙齿像剑一般的猫科动物 - the Smilodon.
刃齿虎 - A fearsome predator of its age.
那个时代可怕的捕食者 - Standing in the way, a giant terror bird, two meters tall.
站在身高两米的巨大骇鸟面前 - Both sides are armed...
双方全副武装 - and prepared for a fight.
为战斗作好了准备