1) They are of the same blood.
他们是血亲。
2) They are related by marriage.
他们是姻亲。
3) Their families are mingled by marriage.
他们两家是姻亲。
4) They are as like as two siblings.
他们象是亲兄弟
5) They are a people of mixed blood.
他们是混血民族
6) They be.
他们是。
补充资料：他们
1.代词。称自己和对方以外的若干人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条