bone earth

例句：

1. 1.The bones of the ancient civilization are still visible in the ruins.
   古代文明的遗迹中仍然可以看到骨骼。
2. 2. The earth beneath our feet is a testament to the wonders of nature.
   我们脚下的土地是大自然奇迹的见证。
3. 3. The bone fragments found in the cave indicate that the creature was large and powerful.
   洞穴中发现的骨骼碎片表明这种生物体型庞大且力量强大。