You don't need to say anything more about the phosphate because they all have the phosphate and every set of these is hooked together in the same way.

不需要再进一步说明磷酸基,因为两种核酸都含有磷酸基,并且以同样的方式相互连接

耶鲁公开课 - 生物医学工程探索课程节选