Serrated for cutting through stuff, that makes sense.

锯状是用来切割，有道理。

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

边缘像牛排刀样有锯，很像刀刃。

The first, a jagged array of serrated teeth rooted in jaws that could crush steel.

第就是满口参差能够咬穿钢铁锯状牙。

Allosaurus has blade like serrated teeth in its powerful jaws.

异特龙有刀刃锯状牙还有有力双颌。

This is not serrated. Looks old, dull.

这把刀没有锯 来很旧 很钝。

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

玛君龙有锯状牙。每个这样小锯叫做小。

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

它们牙不仅向后弯曲，而且两边还呈锯状。它们满口都是牛排刀牙。

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

而且前后边缘都有锯，非常适合切肉。

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，而且边缘呈锯状。

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，边缘还有锯，不过并不薄，不像刀刃那样。

Mating could be a pretty dangerous thing if the opposite of you desire has 3-inch-long serrated teeth and a bad attitude.

要是心仪对象有近十厘米利而且心情不好，那么交配其实也是危险重重。

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锯痕迹，这表明咬到这些骨头肇事者拥有锯状牙，而且颌部有力能够切开骨头。

When it opens its mouth, the jaws literally come out of the mouth and those serrated teeth both up and down would've acted like a giant meat slicer.

当它张开大嘴，其双颌真突出到了嘴外上下，那些带锯尖牙就仿佛是巨大碎肉机样。

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.

任何掠食恐龙牙，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。

It turns out that small serrated polyps are also known as hyperplastic polyps, and are rarely malignant, whereas larger serrated polyps which are typically flat and sessile, have a greater tendency to become malignant.

小锯状息肉也被称为增生性息肉，属罕见恶变，而较大、锯状息肉通常扁平无蒂，有更大恶性倾向。