This variety enables sharks to target prey in a diversity of ocean environments.

它们三角锯齿牙则用来切削。

The front teeth are dagger-shaped with serrated edges designed to tear flesh.

门牙形如匕首缘呈锯齿，用以撕咬血肉。

Serrated for cutting through stuff, that makes sense.

锯齿是用来切割，有道理。

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

它们缘呈锯齿可以用来切割大型猎物肉。

Allosaurus has blade like serrated teeth in its powerful jaws.

异特龙有刀刃一般锯齿牙齿还有有力双颌。

These leaves have broad points and very jagged edges.

这些叶子顶端较宽, 缘则呈锯齿。

Harry froze, his cut finger slipping on the jagged edge of the mirror again.

哈利惊呆了，手指再次从那些锯齿缘滑过。

It's got a serrated edge and it's got some little flutes things on the top.

它有一个锯齿缘，在顶部有一些长笛东西。

Revealing imposing rows of toothlike structures, it takes the first bite.

盲鳗露出一排排气派齿结构，它咬下了第一口。

People here believe that this beetle can actually cut down branches using its huge saw-like mandibles.

这里人相信这种甲虫用其锯齿巨颚能够剪断。

They would have almost functioned like a serrated beak or a single large cutting surface.

它们功能就像是锯齿鸟喙或是单侧大型切割型面。

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

第一就是满口参差能够咬穿钢铁锯齿牙齿。

And that safety, every time a tin was opened, sharp, jagged edges were left, lying around.

那就是安全，每次打开一个罐头，就会留下锋利锯齿缘，到处都是。

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

它牙非常有力且结实，两呈锯齿。

Its jaws are narrow and lightly built. And its gums are equipped with 70 sharp, serrated teeth.

它双颚又窄又轻。牙龈装备了七十颗锋利锯齿牙齿。

The black stone with is jagged crack running down the center sat in the two halves of the Snitch.

裂为两半飞贼中，正是那块中间有一道据齿裂缝黑石头。

The ability to distinguish between similar memories depends on a tiny strip of brain tissue called the dentate gyrus.

区分相似记忆能力依赖于一小块被称为齿回脑组织。

But if he had not walked outside, he would not have been inspired by a kind of toothed grass.

但是如果他不走出家门，他就不能受到一种锯齿草启发。

In another tent, we meet a boy with a jagged scar running across his abdomen from shrapnel.

在另一个帐篷里，我们遇到了一个男孩，他肚子有一道锯齿伤疤。

It's called a flytrap because, as you probably know, it's famous for trapping flies in its toothy leaves.

它被称为捕蝇草，因为你可能知道这种植物以把苍蝇困在它齿叶子里而闻名。