- n. 浮渣；糟粕；无价值之物
worthless or dangerous material that should be removed;
"there were impurities in the water"
the scum formed by oxidation at the surface of molten metals
- They tried to purge metal of dross.
- For foreign cultures, we should discard their dross and select their essence.
- The best players have gone off to the big clubs, leaving them the dross.
- What's gold and silver? Mere dross.
His face was transfigured, purged of all earthly dross, and pure and holy.出自： J. London
He asked me what I thought about the crowd she was running around with. I told him they were absolute dross.出自： L. Deighton