Magnesioferrite
鎂鐵礦
??? 情景例句
May I have headphones for the in-flight movie?
我可以要一副耳機來欣賞飛機上的電影嗎？
Please accept my apology.
請接受我的道歉。
The towers are built on immense underwater platforms make of steel and concrete.
塔身建在巨大的水下鋼盤混凝土平臺上。