Cách sử dụng
Crystal is a noun that refers to a clear or translucent mineral or glass. It typically has a shiny, reflective surface that can refract light and create a prism effect. Crystals are used in a variety of contexts, such as in jewelry, home decor, and scientific experiments. They can also be a symbol of purity, beauty, and luxury. It's important to note that the word "crystal" can also be used as an adjective to describe something that is clear and sparkling, like a crystal-clear lake or a crystal-clear voice.