protective covering

• 用于保护、遮蔽或防止某物受损坏、冲击、天气或其他外界因素影响的材料或层。

A general term for any material or layer used to shield, guard, or protect something from damage, impact, weather, or other external factors.

1. General protective layerB1formal

   A material or layer used to shield something from damage, impact, or the environment.

   防护层

   • The phone case acts as a protective covering against drops.
   • A coat of paint serves as a protective covering for the wood.
   • The turtle's shell is a natural protective covering.

2. Biological structureB2formal

   An external layer or structure that protects an organism, such as skin, fur, or a shell.

   保护性覆盖物

   • The bark of a tree is a protective covering against insects.
   • The caterpillar's cocoon is a protective covering during metamorphosis.
   • Human skin is the body's primary protective covering.

3. Industrial or packaging materialB1formal

   A material used to wrap or cover an object to prevent damage during transport or storage.

   防护覆盖物

   • Bubble wrap is a common protective covering for fragile items.
   • The equipment was shipped with a thick plastic protective covering.
   • Use a tarp as a protective covering for the furniture during the move.