gem
名词 gem:
a crystalline rock that can be cut and polished for jewelry
art highly prized for its beauty or perfection
同义词:treasure
a person who is a brilliant and precious as a piece of jewelry
同义词:jewel
a sweet quick bread baked in a cup-shaped pan
同义词:muffin
a precious or semiprecious stone incorporated into a piece of jewelry
同义词:jewel, precious stone