Not only do they have a sharpened peg of a tooth but their teeth narrow down to a razor sharp edge at the back making the tigers bite much more lethal.
英
美
- 它们不仅仅有锋利的三角状牙齿,而且背面向下逐渐收缩成剃刀一样锋利,这使得老虎的咬更加致命。