Leadhillite
硫碳酸铅矿
🗣️ 情景例句
When you have nothing to do, time goes slowly.
你没事做时，时间便过得很慢。
To be virtuous is to do good.
行善是美德。
That sounds a great idea. Good luck with your trip!
听起来真是个好主意。祝你一路顺风。