Agnesite
碳铋矿
🗣️ 情景例句
It's almost lunchtime, and no fish yet.
差不多到午餐时间了， 还没钓到鱼。
I ought to go now.
我应该现在走。
I live in a tall building in the city of Beijing.
我住在北京市的一幢高楼里。