smoked glass

noun

1. （通过烟熏处理的）烟色玻璃
   glass that has been deliberately made dark by smoke

1. He smoked a sheet of glass to look at the sun.
   他熏黑了一块玻璃，用以观看太阳。
2. He looks at the sun through a sheet of smoked glass.
   他透过一片熏黑的玻璃观看太阳。