Geierite
硫砷铁矿
🗣️ 情景例句
What events are happening on campus?
校园里有什么事件发生？
How long will the flight be delayed?
班机诞误多长时间？
Everybody here is busy getting ready for it and buying Christmas presents.
这里的每一个人都在忙于为圣诞节做准备和忙于购买圣诞节礼物。