Serrated for cutting through stuff, that makes sense.

锯状是用来切割的，有道理。

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.

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

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

它们边呈锯状可以用来切割大型猎物的肉。

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

前后边都有锯，非常适合切肉。

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

玛君龙有锯状的牙。每一个这样小的锯叫做小。

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

它们当然很锋利尖锐，边有锯，不过并不薄，不像刀刃那样。

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的锯痕迹，这表明咬到这些骨头的肇事者拥有锯状牙，颌有力能够切开骨头。

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

它们的牙不仅向后弯曲，两边的呈锯状。它们满口都是牛排刀般的牙。

The point of a mosquito's proboscis is serrated and softer at its tip.

蚊子口器的尖端是锯状的，并末端较软。

Sawtooth granite peaks serrate the sky, which is blue and vast and cloudless.

锯状的花岗岩山峰刺破蓝天，天空广阔无云，湛蓝如洗。

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.

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

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.

它也是最早拥有锯状牙的动物之一，使这种基干哺乳动物成为完美的二叠纪屠夫，能够迅速高效地吞食猎物。

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

所以它的一个边是锯状的，然后它的尖端是分叉的，我会告诉你如何使用它。

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

下颌骨的边呈锯状， 牙比鸭子的牙更突出、更粗糙、更锋利。

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

它的牙非常有力结实，两边呈锯状。

This is not serrated. Looks old, dull.

这把刀没有锯 看起来很旧 很钝。

Instead, they've got this nice beak like shaped mouth and it's actually serrated at the front as well.

相反，它们有一个像喙一样的嘴巴，前面实际上是锯状的。

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，我们有一颗巨大的霸王龙牙，它的锯状刀刃更容易看到，这样切肉就容易多了。

The steak knives, they are serrated.

这些牛排刀，它们的边是有锯的。

John pictures the miles of tight, mazy tunnels, the ceilings serrated with sharp stalactites, the hairpin turns and suffocating squeezes.

约翰想象着那些密布的迷宫般的隧道，天花板上布满了尖锐的钟乳石，有那些急转弯和让人窒息的狭窄通道。