这些宝石色彩鲜艳，闪闪发光。

These ___gems are brightly colored and sparkling.

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.