Serrated for cutting through stuff, that makes sense.

状是用来切割，有道理。

The edges are serrated like a steak knife, very blade like.

边缘像牛排刀一样有，很像刀刃。

Majungasaurus has serrated teeth. Each one of those little serrations is call a denticle.

玛君龙有状牙。每一个这样小叫做小。

They had serrated edges which could used to cut through the flesh of large prey.

们边缘呈状可以用来切割大型猎物肉。

Its teeth were very powerful and very robust and serrated on each side.

牙非常有力且结，两边呈状。

The steak knives, they are serrated.

牛排刀，们是状。

This is not serrated. Looks old, dull.

这把刀没有 看起来很旧 很钝。

Their teeth were recurved which means they start to point backwards and they were also very blade-like and had serrated edges.

们牙后弯曲，这意味着们开始指向后方，们也是很像利刃边缘呈状。

They were also serrated on both of front and back edges making them perfect for slicing meat.

而且前后边缘都有，非常适合切肉。

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

们牙不仅向后弯曲，而且两边还呈状。们满口都是牛排刀般牙。

And they're certainly sharp, and pointy, and have serrated edges, but they're not really thin, like the blade of a knife.

们当然很锋利尖锐，边缘还有，不过并不薄，不像刀刃那样。

The edges of the lower mandible are serrated with teeth much more prominent, coarser and sharper than in the duck.

下颌骨边缘呈状， 牙比鸭子牙更突出、更粗糙、更锋利。

This guy's upper teeth are incredibly long and those teeth are shaped exactly like the blade of a knife, and they are serrated.

这家伙上面牙出奇地长而且那些牙形状就像是刀刃，而且边缘呈状。

So it's serrated on one edge, and then it's forked on the tip, and I'll show you how you use it.

所以一个边缘是状，然后尖端是分叉，我会告诉你如何使用。

What they found were tell-tale serrations meaning the culprit who chewed these bones had serrated teeth and jaws powerful enough to cut the bone.

他们发现了泄露秘密痕迹，这表明咬到这些骨头肇事者拥有状牙，而且颌有力能够切开骨头。

It was also among the earliest animals to have serrated teeth, making this stem-mammal the perfect Permian butcher, capable of devouring prey quickly and efficiently.

也是最早拥有状牙动物之一，使这种干哺乳动物成为完美二叠纪屠夫，能够快速有效地吞噬猎物。

The leaves are small and undivided, mostly without teeth or wavy edging, though on young shoots some are sharply serrated, both kinds being found on the same tree.

叶子小且不裂， 大分没有牙或波浪形边缘， 但在幼枝上有些有尖锐， 这两种叶子都在同一棵树上发现。

And finally, we have a large tyrannosaur tooth, where it is much easier to see the serrated, knife-like edge, which would have made cutting flesh much easier.

最后，我们有一颗巨大霸王龙牙，状刀刃更容易看到，这样切肉就容易多了。

Look at the tooth of any predatory dinosaur, Allosaurus, Ceratosaurus, even Raptors, you'll find that their teeth are more blade-like and are serrated on front and back, very common.

看看任何掠食恐龙牙，异特龙、角鼻龙、甚至迅猛龙，就会发现们牙更像刀刃，前后都有，这都很常见。