1. 血亲亲戚：blood pressure 血压 | blood relative 血亲亲戚 | blood serum 血清

2. 血亲：15 DNA 脱氧核糖核酸 | 16 blood relative 血亲 | 17 defense mechanisms 防御机制

noun

1. one related by blood or origin
    especially on sharing an ancestor with another

    Synonym: blood relationcognatesib