knauffite

例句：

1. 1.The knauffite was used to make the table.
   这种knauffite被用来制作桌子。
2. 2. The knauffite was used to make the chairs.
   这种knauffite被用来制作椅子。
3. 3.The knauffite was used to make the benches.
   这种knauffite被用来制作长凳。