They're fast, they're strong, they're agile, they've got razor sharp teeth and these teeth curve backwards.

它们速度极快、强壮而且灵活，它们还有锋利且向后倾曲的牙齿。

Not only are their teeth curved backwards, they're serrated on both edges. They've got a mouth full of steak knives.

它们的牙齿不仅向后弯曲，而且两边的还呈锯齿状。它们满口都是牛排刀般的牙齿。