Many carnivorous dinosaurs have ambiguous features, such as "peg-like" teeth at the front of the mouth, or no teeth at all.
许多食肉恐龙的特征并不是很明显，例如，要么在嘴的前部有“钉状牙齿”，要么就根本没有牙齿。
But many theropod dinosaurs have ambiguous features, such as peg-like teeth at the front of the mouth, or no teeth at all.
但是，许多食肉恐龙的特征并不是很明显，例如：要么在嘴的前部有“钉状牙齿”，要么就根本没有牙齿。
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。
As an alternative, the teeth can extend from the peg, and the groove can be formed in the wall of the first component.
作为可选方案，所述齿能够从所述栓延伸，而且所述槽能够形成在所述第一部件的壁内。
As an alternative, the teeth can extend from the peg, and the groove can be formed in the wall of the first component.
作为可选方案，所述齿能够从所述栓延伸，而且所述槽能够形成在所述第一部件的壁内。
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