slag

• 冶炼或精炼矿石时从金属中分离出的石质废料，常浮在熔融金属表面形成泡沫状物质。

A noun referring to the stony waste matter separated from metals during the smelting or refining of ore, often forming a scum on the surface of molten metal.

不可数

1. Metallurgical byproductC1formaltechnical

   The glass-like byproduct left after smelting ore to separate the metal, consisting mostly of impurities and flux.

   炉渣

   • The furnace produced a large amount of slag during the steel-making process.
   • Workers removed the slag from the surface of the molten iron.
   • Slag is often recycled and used in road construction or cement production.

   同义词cinderdrossscoria

• 英国俚语中的动词，意为严厉批评或辱骂某人；也指冶金时去除熔炼产生的废渣。

A verb used in British slang meaning to criticize or insult someone harshly, or to discard waste material from metal smelting.

1. Convert into slagC1formaltechnical

   To transform or cause to be transformed into slag, a waste product from smelting ore.

   使成渣

   • The furnace is designed to slag the impurities from the iron ore.
   • During the process, the metal is heated until the impurities slag off.
   • The workers learned how to slag the waste material efficiently.