The individual units resemble vertebrae in the human spine.

每个单独单位类似于人类脊椎椎骨。

Joints, muscles and ligaments that are attached to the bones hold it all together.

附着于脊椎骨关节、肌肉和韧带，把它包覆在一起。

And that starts with the little chevron bones that are underneath the tail vertebra.

这要从尾椎骨方小 V 形骨开始。

The joint between the vertebrae and the spine is an example of a first-class lever.

椎骨和脊柱之间关节是一级杠杆一个例子。

It was likely killed by a severe break of its backbone.

它可能是死于脊椎骨严断裂。

Each back bone, or vertebra, weighs more than 100 kilograms.

每根脊椎骨量都超过100公斤。

The spinal column is made of individual bones, called vertebrae.

脊柱是由许多单独椎骨组成。

It can also injure the vertebra in your back, but it can be prevented and corrected.

它也会损伤背部椎骨，但它是可以预防和纠正。

They determined that bands form in the shark vertebrae every year, like a tree's growth rings.

他们确定，每年鲨鱼椎骨都会形成条纹，就像树木年轮一样。

Theirs are just much, much bigger!

只是它们椎骨比较长！

So you might even lift your tail and just snuggle your lower back into the mat.

所以甚至可以抬起尾椎骨，把背部依偎在垫子上。

Even with the same number of vertebrae though, a giraffe's neck is way more flexible than a human's.

即使拥有同样数量椎骨，长颈鹿脖子也比人类灵活得多。

So you start from the very tip of the snout all the way down to the penny-sized vertebrae.

可以从最前面鼻尖一直往到硬币大小椎骨。

Here is the skull of a giant sloth and vertebrae and bones from giant saber-toothed cats and dire wolfs.

这是一个巨大树懒头骨，巨大剑齿虎椎骨和惧狼骨头。

He puts on his ceremonial garb: red face paint, earrings, and a necklace of shark's teeth and vertebrae.

把脸涂上红色，并戴上耳环，还有鲨鱼牙齿和脊椎骨做成项链。

The vertebrae that attaches a giraffe's neck to its back also has a ball-and-socket joint, unlike a human.

人类不同，长颈鹿脖子和背部相连椎骨也有球窝关节。

Giraffe vertebrae can each be over 10 inches long.

长颈鹿椎骨可以超过 10 英寸长。

And if you have that, then your blocks, your vertebrae, get to stack easily, and the muscles get to relax.

如果觉得尾巴在后面，那么就固定了，椎骨可以自然地卡在那里，肌肉会放松。

The vertebrae in a giraffe's neck connect by ball-and-socket joints like the ones that connect your arms to your shoulders.

长颈鹿颈部椎骨通过球窝关节连接，就像连接手臂和肩膀关节一样。

That's where you'll find dense elastic tissue — for example, connecting your vertebrae so that your spine can curve and twist.

会发现致密弹性组织。比如说连接椎骨，这样脊柱可以弯曲和扭转。