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。
2
They're always slagging me off like anything.
他们经常把我骂得狗血淋头。
《牛津词典》
3
I hate the way he's always slaggingoff his colleagues.