lavement

例句：

1. 1. The roof of the house is made of wood and has a layer of insulation.
   这栋房子的屋顶由木头制成，上面有一层隔热层。
2. 2. The ground was covered with snow during the winter.
   冬天地面被雪覆盖。
3. 3. The new layer of paint will protect the wall from water damage.
   新涂的油漆层将保护墙面免受水损害。