They're strong enough to crack a turtle's shell.

它们很强壮，足以把龟壳砸开。

Modern turtle shells are almost as diverse as the turtles themselves.

现代龟的壳几乎和龟本身一样繁多。

I wasn't being a hothead. I wasn't mad at losing. I was just … down. I was in my turtle shell.

我并没有恼火，也没有因为输球而发火，我只是非常的沮丧。就像是乌龟缩回了自己的壳。

Make the turtle shell out of a trash can lid.

用垃圾桶盖做乌龟壳。

Now there's black spots all over this white turtle shell.

现在这只白龟壳上全是黑点。

You see, inside a turtle shell is a very particular respiratory system.

你看，龟壳里面有一个非常特殊的呼吸系统。

Although they might look similar, turtle shells are not osteoderms, and they form through a different process.

虽然它们看起来很相似，但龟壳不是骨皮，它们通过不同的过程形成。

And this could help explain why it had those wide ribs ... and where turtle shells came from.

这可以帮助解释为什么它有那么宽的肋骨… … 以及龟壳的来源。

EDAG says it based its design on a turtle shell. The company says the design provides the right amount of strength and firmness.

爱达克称是在龟壳的基础上设计的，称这款设计具备合理的力量和硬度。

It guides the formation of the upper part of the turtle's shell, called the carapace, likely by attracting the cells that will become ribs.

它主导了称为背甲的海龟之背壳的形成，可能脊椎通过吸引肋骨细胞逐渐结合在一起而形成。