foreign matter

异物外来物外来物质异物感

foreign matter 近义词

foreign matter

等同于 impurity

foreign matter

等同于 contaminant

foreign matter 的近义词 6
foreign matter

等同于 contaminator

foreign matter 的近义词 6
foreign matter

等同于 uncleanness

foreign matter

等同于 unwholesomeness

foreign matter

等同于 grit