cassiterotantalite

例句：

1. 1. The ancient city of Pompeii is a UNESCO World HeritageSite, and its ruins are atestament to the power of nature.
   庞贝古城是联合国教科文组织的世界遗产地，其遗迹见证了大自然的力量。
2. 2. The cassiterotantalite in the museum is a rare fossilthat has been unearthed from thebottom of the ocean.
   博物馆里的珊瑚石塔是一种罕见的化石，是从海底挖掘出来的。
3. 3. The cassiterotantalitewas discovered by an archaeologist whowas searching for evidence of ancient civilizations.
   一位考古学家发现了这种珊瑚石塔，他正在寻找古代文明的证据。