second coat

例句：

1. 1. The painter applied the second coat of paint to the wall.
   画家给墙涂了第二遍漆。
2. 2.The car was painted in two coats before it was delivered to the dealership.
   这辆车在交付给经销商之前，被涂了两层漆。
3. 3. The new roof required a second coat of sealant to ensure durability.
   新屋顶需要涂上第二遍密封剂以确保耐用性。