This second chimpanzee is not a relative of the first chimpanzee and they've never seen each other before.

这只黑猩猩跟第一只黑猩猩,没有血缘关系,它们以前也从来没见过面。

耶鲁公开课 - 心理学导论课程节选

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

The Latin word familia didn't mean that biological kin group.

拉丁语Familia不是指有血缘关系的亲属团体。

耶鲁公开课 - 新约课程节选