slag|slags

工人们在清理熔炉时移除了大量矿渣。

Workers removed a large amount of ___slag while cleaning the furnace.

矿工们在处理炼钢过程中产生的废渣。

The miners were handling the ___slags produced during the steel-making process.

那些男孩在背后嘲笑她是荡妇，这非常不尊重。

Those boys laughed at her behind her back and called her a ___slag, which was very disrespectful.