祖母绿

例句：

1. 1. The emerald is a rare gemstone that has been prized for centuries.
   这颗翡翠是一颗珍贵的宝石，几个世纪以来一直受到珍视。
2. 2. In ancient times, emeralds were often used as currency and symbols of wealth.
   在古代，翡翠常常被用作货币和财富的象征。
3. 3. This emerald necklace was given to her as a wedding gift by her husband.
   这条翡翠项链是她丈夫作为婚礼礼物送给她的。