玻璃沙纸

例句：

1. 1.The window is made of glass.
   窗户是用玻璃做的。
2. 2.He polished the glass with a cloth.
   他用布擦亮了玻璃。
3. 3. The glass was shattered by a sudden gust of wind.
   一阵突如其来的风把玻璃打碎了。