crystal

• 指原子或分子呈高度有序重复排列的固体物质，也指这种物质的块体，常为透明并用于珠宝或光学；此外可指水晶玻璃或晶质玻璃制品。

A noun referring to a solid material whose atoms are arranged in a highly ordered, repeating pattern, or a piece of such material, often transparent and used in jewelry or optics.

1. Solid materialB1formalscientific

   A solid substance with a regular, repeating arrangement of atoms or molecules.

   晶体

   • The mineral formed beautiful crystals deep underground.
   • Scientists study crystal structures using X-rays.
   • Salt crystals are a common example of a crystalline solid.

2. A2formal

   A type of very clear, high-quality glass, often used for decorative items or tableware.

   水晶玻璃

   • She placed the flowers in a beautiful crystal vase.
   • The chandelier was made of sparkling crystal.
   • He drank water from a fine crystal glass.

   同义词cut glassflint glasslead glass

3. Clear quartzA2informal

   A transparent, colorless form of quartz, often used in jewelry or for spiritual purposes.

   透明石英

   • She wears a crystal pendant around her neck.
   • He believes that crystals have healing properties.
   • The shop sells various crystals for meditation.

   同义词rock crystal