packing materials

名词 packing material:

1. any material used especially to protect something
   同义词：packing material, packing, wadding

1. Loose packing material used to protect a ship's cargo from damage during transport.
   垫料保护船载货物不在运输中受损的散置包装材料
2. Compressible packing materials; a compressible box.
   可压缩包装材料; 可压缩箱子