The children, although not related to us by blood, had become as dear to us as our own.

这些孩子，虽然和我们没有血缘上的亲属关系，也变得像我们亲生的一样亲了。

《柯林斯英汉双解大词典》

Jimmy is adopted and thus unrelated to Beth by blood.

吉米是收养的，因此和贝丝无血缘关系。

《柯林斯英汉双解大词典》

Being a real family doesn't always mean being connected by blood.

成为真正的家人并不意味着要血脉相连。

youdao

He thought that this effect might help prevent heart attacks caused by blood clots.

VOA: special.2009.10.20

It occurs because blood flow gets reduced in that blood vessel and so the heart muscle, which is actively beating all the time, needs large quantities of oxygen provided by blood can't get the blood through the vessel.

发病原因是冠状动脉血流量降低,因为心肌搏动永不停歇,随时需要血液供给大量氧气,发病时血液无法正常流过血管

耶鲁公开课 - 生物医学工程探索课程节选

Wise Blood was written by an author congenitally innocent of theory, but one with certain preoccupations.

慧血》作者从来不局限于理论范畴,而是有自己的侧重点。

耶鲁公开课 - 1945年后的美国小说课程节选

Keith says audience members she sat with all devoted fans, some of which likened the fighters to "gladiators" seemed unfazed by blood dripping off competitors.

NPR: Mixed Martial Arts: Sport or Spectacle?

Since porphyrins are taken up by blood vessels, some researchers reckon that they might be useful in treating atherosclerosis an inflammatory process that thickens and damages the vessel wall.

ECONOMIST: Medicinal light-swords

This, too, can be hyperpolarised but, unlike 3He, it can also be absorbed by blood, and can thus get into the rest of the body, an effect that may be useful for other types of diagnosis.

ECONOMIST: Medical imaging