她撞到书桌上, 受了瘀伤。用英语怎么说？

她撞到书桌上, 受了瘀伤。

She bruised herself against the desk.

she

pron. 她，它；

例句
Her lover walked out on her after she had aborted their child.
她的情人在她打掉胎儿后甩了她。

bruised

[医]青肿的，瘀紫的；

例句
I had only bruised my knee...
我只是把膝盖给碰伤了。

herself

pron. （反身代词）她自己，（用以加强语气）她亲自，她本人；

例句
She was old enough to absent herself from the lunch table if she chose...
她长大了，可以自己做主不来吃午餐了。

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

desk

n. 书桌，办公桌，服务台，部门，（美）讲道台；adj. 书桌的，书桌上用的；

例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。