Leadhillite
硫碳酸铅矿
🗣️ 情景例句
He won't pay attention to anybody.
他不会认真倾听别人的话。
A little of every thing is nothing in the main.
每事浅尝辄止，事事都告无成。
Good morning. Can I help you?
早上好！我能帮您什么忙吗？