skeleton of building

例句：

1. 1.The scientist discovered the skeleton of a prehistoric mammoth.
   科学家发现了史前猛犸象的骨架。
2. 2.The skeleton of the ancient civilization was unearthed in the desert.
   古代文明的骨架在沙漠中被发现。
3. 3. The skeleton of the fallen soldier is still visible in the battlefield.
   阵亡士兵的骨架仍然可见于战场。