Police found traces of blood on the car seats.
警方发现了微量的血在汽车座椅。
What the researchers in the reading are identifying as blood vessels might just be traces of soft and moist residue left by bacteria colonies.
在阅读部分，研究人员鉴定为血管的物质很可能就是细菌繁殖后留下的湿软残渣的痕迹。
Traces of blood on the knife matched the suspects blood-type.
刀刃上面的血迹与嫌疑犯的血型基本是一致的。
Anyway, that's where the perp tried to clean up his victim's blood, but some invisible traces of it remain behind.
不管怎么说，犯人回尽力清理掉被害者的血迹，但是总有一些看不见的痕迹遗留了下来。
He then gently picked up the knife, using a thumb to erase traces of blood, and slowly climb up.
随后，他轻轻地捡起了那把刀，用大拇指抹掉了血迹，慢慢地爬起来。
With blood painted on the wall, draw a picture of you, a knife and a knife in the traces of pain for you.
用鲜血涂在墙上，画一个你的样子，一刀一刀的痕迹都在为你疼。
Shandong is China's leading producer of chickens, but traces of damage to the birds, like broken limbs or blood clots in the meat, have hurt exports.
山东是中国最大的鸡肉生产地，但腿翅折断或肉中有血块等显示鸡受伤的迹象，已经影响了出口。
His older children are so adept with sharp knives that they return calves to the mothers with only the faintest traces of blood on their ears.
他的大儿子用尖刀做标记的技巧已炉火纯青，在他交给母亲的驯鹿耳朵上，你只能发现一丁点血迹。
Police found traces of blood on the car seats.
警方在车椅上发现了微量的血痕。
Then the scientists compared that DNA with traces of blood found on Otzi "s clothing and weapons."
然后科学家们将它与奥兹衣物和武器血迹中的DNA进行了对比。
Then the scientists compared that DNA with traces of blood found on Otzi "s clothing and weapons."
然后科学家们将它与奥兹衣物和武器血迹中的DNA进行了对比。
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