precious gems 珍贵的宝石
hidden gems 隐藏的瑰宝
gemstones 宝石
rare gems 稀有的宝石
A: Look at these beautiful gems in the display case!
A：看展示柜里这些美丽的宝石！
B: They are stunning, but they are very expensive.
B：它们美极了，但是非常贵。
1) 宝石
2) 瑰宝，珍宝
3) 极好的事物
1. 宝石
noun
1. Precious stones, such as diamonds, rubies, or emeralds.
2. A person or thing that is highly valued or admired for its excellence or beauty.
Synonym: jewels, treasures