他们是血亲.They are of the same blood.你或是你的血亲有人有糖尿病 吗 ?Do you or any of your blood relatives have diabetes?人被不被允许和某种程度血亲关系的人结婚.People are not allowed to marry within certain degrees of consanguinity....
设计硅芯片模仿人的器官听上去是异想天开。Designing silicon chips to mimic human organs sounds fanciful.硅酮隆胸植入物a silicone breast implant地球主要由铁、硅等物质构成。The Earth is made mainly of iron and silicon and things like that....