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.

 
  • 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。
今日热词
目录 附录 查词历史