This paper studies the practice and mechanism of slagging-off and insulation of Xinyang perlite instead of straw ash used in foundry work conventionally.

近年来不少国家采用珍珠岩代替稻草灰用作铸造生产上铁水的聚渣、保温材料。

youdao

They're always slagging me off like anything.

他们经常把我骂得狗血淋头。

《牛津词典》

I hate the way he's always slagging off his colleagues.

他老损他的同事，我看不惯。

《牛津词典》

The conversation moved on to those intense days of war almost 15 years back and we did what any member of the journalist tribe does when gathering after many years apart - slagging off the louder mutual acquaintances and wondering what ever happened to the quiet ones.

BBC: A classic tale of a life made good in America