Plattnerite
块黑铅矿
🗣️ 情景例句
She sure got here quickly.
她来得真快。
Please come to the airport by eight thirty at the latest.
最迟要在8点30分到达机场。
Pardon? Would you please say that again more slowly?
对不起，请你慢点儿再说一遍好吗？