blood relative
美
英 
例句
An uncle or a cousin or any blood relative in his clan may redeem him. Or if he prospers, he may redeem himself.
或叔伯,伯叔的儿子,本家的近支,都可以赎他。他自己若渐渐富足,也可以自赎。
I am sorry there is not but me though I am not her blood relative.
没有,只有我一个,但不是她的血缘亲戚。
and you ' re not even a blood relative
你甚至跟我们没有血缘关系