内层油漆

例句：

1. 1. The painter applied the inner layer of paint on the wall.
   画家在墙上涂了内层油漆。
2. 2. The interior designer chose a neutral color for the inner layer of the room.
   室内设计师为房间的内层选择了中性色。
3. 3. The builders used an eco-friendly paint for the inner layer of the building.
   建筑工人使用了一种环保油漆作为建筑物内层的涂料。