Ceylonite
镁铁尖晶石
🗣️ 情景例句
I'm extremely sorry for the delay.
对此延误，我深感抱歉。
It is so necessary for you to have some rest and relaxation.
你特别需要休息和娱乐。
Future historians will be in a unique position when they come to record the history of our own times.
未来的历史学家在写我们这一段历史的时候会别具一格。