Steigerite
水钒铝矿
🗣️ 情景例句
I'd like to buy some stamps for this letter.
我想买这封信的邮票。
When did you know the answer?
你什么时候知道答案？
I want Eric to play in a concert with me, on July 13th in London.
我想要艾瑞克和我一起在7月13日伦敦的音乐会上演出。