Ralstonite
氟钠镁铝石
🗣️ 情景例句
I've heard the weather here is ideal, just like spring most of year.
我听说这儿的天气很理想，四季如春。
Do you have a passport?
你有护照吗？
True eccentrics never deliberately set out to draw attention to themselves.
真正古怪的人从不有意引人注意。