所以，他们的关系有点像有血缘的性质，因此能长久地维系。

Therefore, the relation somewhat like consanguineous relation will exist for a long time.

youdao

事实上，真正的爱不是建立在互利，友好、忠诚或血缘的关系上的。

In fact, the true love is not established on benefit, friendship and loyalty or blood relationship.

youdao

恩格尔就在展览的目录中写道：在我眼中，它们是同宗血缘的兄弟，虽然年幼被迫分离，但血缘不会改变。

Referees are called umpires in both. “I see them as blood brothers, separated at birth but genetically linked, ” writes Mr Engel in the catalogue’s introduction.

youdao

Two or one! It was, in other words, about the problem of incest, the problem of the over-determination of blood relations and the under-determination of blood relations.

二或一，换句话说，是乱伦问题，是血缘的超定,和不充分决定的问题。

耶鲁公开课 - 文学理论导论课程节选

The household structure of a Roman household was this-- and I say "household," because our word "family," which we usually take to mean the biological family: the father, the mother, the children, maybe the grandchildren, maybe the extended family.

罗马人的家户结构是。。。,我用“家户“是因为“家庭“,通常是指有血缘关系的亲人：,父亲，母亲，孩子，可能还有孙辈，大家庭。

耶鲁公开课 - 新约课程节选

Even if animals are unrelated, they are nice to one another.

即使没有血缘关系的动物，它们也会友善地对待对方。

耶鲁公开课 - 心理学导论课程节选