Ceruleite
块砷铝铜矿
🗣️ 情景例句
I wish Robbie and Alexandra had come to this meeting.
我真希望Robbie和Alexandra已经来参加开会。
One false move may lose the game.
一著不慎，满盘皆输。
What will be the population of these countries in the year 2000?
2000年不太发达国家的人口将是多少？