flat lampshade

例句：

1. 1. The floor is made of polished wood.
   地板是经过抛光的木头。
2. 2. The table is too flat to sit on comfortably.
   这张桌子太平了，坐起来不舒服。
3. 3. The roof is flat and can be easily repaired.
   屋顶是平的，可以很容易地修复。