It is said that the magnetite was formed by a chemical process called thermal decomposition.据说这枚陨星是在热分解的化学过程中形成的。Iron ores of greatest economic interest contain magnetite and hematite.最具有经济价值的铁矿包括磁铁矿和赤铁矿.This is because ...
小块腌洋葱可用来替代切片洋葱。Small pickling onions can be used instead of sliced ones.我通常都买切片面包——比较省事。I usually buy sliced bread — it's less bother.将切片倒进油里，煎至金棕色。Drop the slices into the oil and fry until golden brown....