The people on the islands had tattoos on their shoulders, chests, backs and legs.

岛上的人在肩膀、胸膛、背上和腿上都有纹身。

youdao

I could not face my brothers, knowing that they were sure to blame me for bringing our father's cane down on their backs and legs.

我没脸见我的哥哥们，他们一定会指责我，是我让他们的背和腿挨了父亲的打。

youdao

Some wildebeest lose their footing breaking their backs and legs when they fall onto the hard ground but most make it to the other side unscathed.

一些角马没有找稳落足点，落到硬地上时把自己的后背和腿给跌断了，但大多数角马都能安全抵达对岸。

youdao

It swerves around table legs and backs away rather than plunging down a staircase.

FORBES: Magazine Article

They have burns on their backs, arms and legs, and shrapnel and debris is still being pulled out in delicate surgeries.

WSJ: In Boston, Families Grapple With Long Road Ahead

We ran out of legs -- our two full-backs, Rafael and Evra, are just knackered.

CNN: March 10, 2013 -- Updated 1916 GMT (0316 HKT)