covering layer

• 保护层； 覆盖层

covering layer的用法和样例：

例句

1. The scratch does not penetrate the coating layer to Die.
   刮伤没有穿透保护层。
2. The ozone layer is a protective layer around the planet Earth.
   臭氧层是地球的保护层。
3. For fish,water constantly sweeps away dirt from the covering.
   对鱼来说，流水不断地把污垢从它的眼睛的覆盖层上带走。
4. The surface is the relatively thin covering of soil and unconsolidated rock waste.
   浮土是由土壤和未固结岩屑组成的比较薄的覆盖层。