她轻轻地拿起一颗宝石。
She gently picks up a ___gem.
这些宝石闪闪发光。
These ___gems sparkle brilliantly.
这个小博物馆是我们城市的瑰宝,收藏了许多珍贵艺术品。
This small museum is a ___gem of our city, housing many precious artworks.