Sardinianite
铅矾(硫酸铅矿)
🗣️ 情景例句
I don't know what-to do.
我不知道怎么做。
Everything has its time and that time must be watched.
任何事情都有好的时机，不要随意放过。
We cannot proceed any further without receiving your thoughts with respect to the manner of payment.
我们如果不了解你们对付款方式的意见，便不能进一步检讨。