Vycor glass

例句：

1. 1. This Vycor glass is extremely clear and has a high refractive index.
   这种冕玻璃非常清澈，折射率非常高。
2. 2. The Vycor glass window was designed to reduce heat transfer through the walls.
   这种冕玻璃窗户的设计是为了减少热量通过墙壁的传递。
3. 3. Vycor glass is commonly used in high-speed trains for its durability and low weight.
   冕玻璃常用于高速列车中，因为它耐用且重量轻。