synthetic emerald

例句：

1. 1. The synthetic emerald is a rare and valuable gemstone.
   这种合成翡翠是稀有且珍贵的宝石。
2. 2. The museum exhibits a collection of synthetic emeralds from around the world.
   博物馆展出了来自世界各地的合成翡翠收藏。
3. 3. She wore a synthetic emerald necklace as a symbol of her newfound wealth.
   她佩戴了一条合成翡翠项链，作为她新获得财富的象征。