A composition, especially a semisolid that hardens on drying, used to fill pores, cracks, or holes in wood, plaster, or other construction surfaces before finishing.

• 填料一种混合物，尤指在干燥过程中变硬的半液体状物质，用于在完工前将木头、塑料或其它建筑表面填入孔、裂缝或洞