glass ceramic

例句：

1. 1. The window is made of glass.
   这扇窗户是用玻璃做的。
2. 2. The glass was so clear that it reflected the sun's light.
   这玻璃太透明了，能反射阳光。
3. 3. He broke the glass and used it as a vase.
   他打破了玻璃瓶，用它做花瓶。