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.

它的高跷似的腿是它背部的刺。

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

你可以减少运动量，这样可以减少对背部的压力。

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

哇！剑龙一些独具特色的地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.

当我伸展肩膀时，感受背部的活力。

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。

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。

Public health expert Jill Guernsey de Zapien says farmwork often causes muscle and back issues.

公共卫生领域的专家吉尔·格恩西表示，农场的工作经常会引发肌肉和背部的一些问题。

Dark back, white belly, big mouth.

黑色的背部，白色的腹部，大嘴巴。

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。

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。

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部贴一块贴片，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。

A video shows one of the injured lying face down with blood being staunch from a wound in her back.

一段视频显示，一名伤者脸朝下躺着，背部的伤口正在流血。

Victory is marked when an opponent's back touches the ground.

胜利的标志是对手的背部着地。