她有两个兄弟姐妹，一个哥哥和一个姐姐。

She has two ___siblings, a brother and a sister.

有一个支持的兄弟姐妹可以使童年记忆更加珍贵。

Having a supportive ___sibling can make childhood memories more precious.

兄弟姐妹之间的关系经常影响一个人的个性发展。

The relationship between ___siblings often influences one's personality development.