Richetite
铅铀矿
🗣️ 情景例句
Hello. Is Mrs. Montefiore there?
喂， Montefiore太太在吗？
Competition for this kind of goods is tough.
这种商品的竞争非常激烈。
I hired a car the day after landing and bought a comprehensive book of maps,
我下飞机后租了一辆车，并买了一本详尽的地图册。