Siderology
煉鐵學(xué), 鋼鐵冶金 學(xué)
??? 情景例句
Is this harmful to kids?
這對(duì)孩子有害嗎？
I worked at the garage this morning.
我今早在車房工作。
or even, of there nough, in other departments of the same firm.
甚至往往不能與本公司的其他部門的同行們。