血亲姐妹
It was seldom seen in Chinese history that such as the four couples of blood sisters were married to the same man.───四对姐妹同嫁一人，这在中国历史上还是少见的。
members of an extended family are related by blood (grandparent, parents, children, brothers, sisters, etc.) or by marriage (husbands, wives, mothers-in-law, etc).───大家庭的成员由血缘(祖父母、父母、孩子、兄弟、姐妹等)或婚姻(丈夫、妻子、婆婆等)联系起来。
blood sister───血亲姐妹
blood blisters───[医]血疱
blood-sister───血亲姐妹
blood blister───[医]血疱
blood disorders───血质不调；血液病
blood brothers───天堂口（电影名）；亲兄弟
baby sisters───宝贝妹妹（电影名，BabySister）；小妹妹