Ceylonite
镁铁尖晶石
🗣️ 情景例句
First, they have an excellent School of Journalism.
首先 ，那儿有个很优秀的新闻研究所。
No problem. How much?
没问题，你要多少？
Its origin is still a mystery now.
它的起源至今仍是个谜。