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。

She and Natasha are like sisters, and I couldn't love her more if she were my own flesh and blood.

她和娜塔莎像姐妹一样，我特别喜欢她，好像她就是我的亲骨肉一样。

The pheromone causes vitellogenin to move from fat tissue into the blood, where it is transported to the head glands and converted into a jelly that older sisters feed to the larvae.

信息素引起了卵黄蛋白从脂肪组织分离出来并转移到血液中，通过血液被运送至头腹腺，然后转变成凝胶物，因而蜜蜂姐姐们得以用这些凝胶物喂养幼虫。

The 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。

Ailin read a pledge she had adapted from old novels in which men and women chose their sworn brothers and sisters beyond the bound of blood.

艾琳读了从古代小说中扒抄下来的、没有血缘关系的把兄妹的誓言。