Ferrocolumbium
鐵鈮合金, 鈮鐵
??? 情景例句
He has a big sales office in Los Angeles,
他在Los Angeles有一個大的銷售辦事處，
You have to be there half an hour before departure time.
你要在起飛前半小時到那里。
How is this word pronounced?
這詞兒怎么讀？