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。
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