血迹的英文：
blood stains
bloodstain

参考例句：

He went to the men's room to wash flecks of blood from his shirt.
他去男洗手间清洗衬衫上的斑斑血迹。

The desk was marked with bloodstains.
桌子上有血迹。

Be quick, cover the blood stains over.
快！把血迹全遮盖起来。

be bathed in blood
布满血迹;血迹斑斑

The dog's fur was matted with blood.
那只狗的毛皮上沾有血迹。

She swabbed the blood off her face.
她用拭子揩掉脸上的血迹。

The wounded animal left a trail of blood behind it.
受伤的动物在身后留下一道血迹。

Swab the blood off her face
用拭子揩掉她脸上的血迹.

Some of his barefoot men left blood marks on the snow as they marched
有一些赤脚土兵行军时在雪地里留下了斑斑血迹。

On the trampled and blood-soaked ground, covered in gore and tatters of clothing, lay a horribly mangled body.
被践踏得乱七八糟、满是血迹的地上躺着一具血肉模糊的身躯，衣服被撕成了碎片。

blood是什么意思：
n. 血，血统
v. 从...抽血

blood cholinesterase
血液胆碱脂酶

Change venous blood into arterial blood.
把静脉血转化为动脉血。

The affluence of blood to the heart through the blood vessels.
血液经血管流入心脏。

stains是什么意思：
n. 污点；瑕疵
v. 污染，被污染；玷污，败坏（名声）；给···着色

There was a stain of ink left on the desk.
桌上留有墨水的污点。

soil or stain with a splashed liquid.
用溅出的液体弄脏或沾污。

To spot or stain, as with a discoloring substance.
玷污，弄赃因某种褪色物质弄脏、染污

bloodstain是什么意思：
n. 血迹

For the first two or three days lochia is bloodstained and then becomes paler in color
在头2-3天，恶露深有血液，以后颜色变白。

It is autocracy reverting to its normal state of palace crime, blood-stained magnificence, and moral squalor.
这是回复到正常状态的独裁政治，充满着宫廷的罪恶、血污的庄严和道德的败坏。

Llewellyn looked round hastily, and there, under the torn and bloodstained blankets, was his baby son, quite safe
卢埃林急忙回过头来一看，在那条被撕烂和沾满血污的毯子下面，发现了他的小儿子安然无恙。