Seraph is of the highest rank of angels in the Bible. 六翼天使是圣经中级别最高的天使。
Yet the study found that the highest group was more than twice as likely as the lowest group to have heart disease or diabetes, or both. 但是研究发现级别最高的小组患心脏或者糖尿病，或者同时患两种病的可能性比最低级别小组高两倍多。
