The boy is trying to forget the ache in his back.

那男孩试图忘掉背部的疼痛。

Changes to their backs were for temperature regulation.

鬃狮蜥改变背部的颜色是为了调节温度。

Temperature regulation involves the back, which is facing the sun.

在有阳光时，可以调节背部的颜色。

And this is similar to what we see in crocodiles, armor on the back.

这与今天的鳄鱼类似，背部的甲壳。

Its stilt-like legs were actually spikes along its back.

它的高跷似的腿实际上是它背部的刺。

Is that shoulder or back ache still stubbornly bothering you?

肩膀或背部的疼痛还在困扰着你吗？

You can get the motion down and then it puts less strain on your back.

你可以减量，这样可以减对背部的压力。

Wow, So, something very special about stegosaurus are the plates along the back.

哇！剑龙一些独具特色的方就在于背部的甲板。

Just finding this nice activation in the upper back body as we start to stretch the shoulders.

当我们开始伸展肩膀时，感受上背部的活力。

The crocodile newt gets its name from the bumps along its back. These are its defence.

鳄鱼蝾因背部的突起而得名。那是它的防御系统。

Back fat, I see you popping over my bra today, but that's alright.

背部的脂肪，我看到你今天出现在我的胸罩里， 但是没问题。

Those spines along their back and sides, they're venomous.

这些鱼的背部和两侧的刺很毒。

A large wing on the back of the vehicle is designed to help it compete with other race cars.

车辆背部的大机翼旨在帮助它与其他赛车竞争。

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

它也会损伤你背部的椎骨，但它是可以预防和纠正的。

Dark back, white belly, big mouth.

黑色的背部，白色的腹部，大嘴巴。

Last capsize, I took the rib off the top of my ceiling with my back.

最后一次翻船，我的背部 把船舱的吊顶撞下来了。

He also raised a lot of money to promote medical research into back injuries.

他还积攒了很多钱来改善背部受伤的医疗研究。

This twisting is another major source of our back problems.

这种扭转作是我们背部问题的另一个主要根源。

A daily patch is worn in the upper-middle part of the back, where young children cannot pull it off.

每天都要在背部的中上部贴上一块贴片，这样小孩子就无法把它扯下来。

His back is covered in pieces of body armor.

它的背部有多片骨甲护身。