Hands were raining down on their backs.

无数只手雨点一样落在他们背上。

Look at the people carrying us on their backs.

看看那些背着我们的人。

What would become of those who carry burdens on their backs?

至于那些辛苦重负的人还能怎样？

Some may also have to carry bales of straw on their backs.

有些可能还得背上成捆的稻草。

Prehistoric plant eaters live every day with a target on their back.

史前世界的食草动物每天都生活在弱肉强食的环境中。

On their front, on their back, in their boots - they were covered in lead.

身体前后跟靴子都要用铅包覆。

She and her children escaped with nothing but the clothes on their backs.

她和孩子们只穿着身上的衣服就逃了出来。

They had heavy bags on their backs to stop them from dancing well.

为了防止跳得优美，她们都背着重沙袋。

They stand on their back legs, hold up their arms and ask for food.

他们用后腿站着，举起手臂要吃的。

So they are the kind of bank with the biggest target on their back.

所以它们也是最大的目标。

They have literally built this country on their backs and then they got left behind.

他们真的把这个国家建立在他们的背上，然后他们就被抛弃了。

When they sleep, they sit on the ground and rest their heads on their backs.

睡觉的时候，它们卧在地上，把头放在背上休息。

They now wear six little bright red patches on their backs, surrounded with scarlet bristles.

它们现在背上有六个鲜红色的小斑点，周围是鲜红色的毛发。

Those with neurodegenerative disease spent nearly twice as much time on their backs while sleeping.

神经变性疾病患者睡眠时仰卧的时间约为常人的两倍。

The worms have special daylight-sensing cells on their back, just like the ones in our eyes.

蠕虫背部有特殊的日光感应细胞，就像我们眼睛里的细胞一样。

The babies who died were found on their stomachs after being placed on their backs unrestrained.

这些死去的婴儿被发现时俯卧在地，完全没有安全束缚保护措施。

A video called JIZAI ARMS shows two dancers performing with the robotic arms on their backs.

一段名为“自在手臂”的视频显示，两名舞者戴着机械臂表演。

And the AI translated that as " the great emotional charge and physics on their backs" .

结果人工智能将其翻译为“他们背上的情绪费用和物理学”。

To do that, they use blow holes on their backs, producing those famous spouts that we see.

为了做到这一点，它们在背部有喷孔，产生我们所看到的著名的喷水。

With tanks of air on their backs, scuba divers are able to dive deep into the sea.

有了空气罐背在背上，潜水者可以潜入深海。