cumengite

例句：

1. 1.The ancient city of Cumeng was once the center of trade in this region.
   古代城市Cumeng曾是该地区贸易的中心。
2. 2. The artifacts from Cumeng are highly sought after by collectors.
   来自Cumeng的文物深受收藏家们的青睐。
3. 3. The discovery of new minerals in Cumeng has sparked renewed interest in the area.
   Cumeng新发现的矿物引发了对该地区的新一轮兴趣。