她戒指上镶嵌的红宝石在阳光下闪闪发光。

The ___rubies on her ring sparkled brightly in the sunlight.

在这个浮躁的社会里，真诚的朋友就像红宝石一样珍贵。

In this fast-paced society, sincere friends are like ___rubies — rare and valuable.