Leadhillite
硫碳酸铅矿
🗣️ 情景例句
I've been trying to find
我一直在寻求
Light troubles speak; great troubles are silent.
小困难，大声叫嚷；大困难，闷生不响。
I thought he must have misunderstood me, so I repeated its name.
我想他一定误解了我的意思，于是又说一遍村庄的名字。