泥铁石

例句：

1. 1. The earth is the foundation of all life on Earth.
   地球是地球上所有生命的基础。
2. 2. The stone was carved by a skilled craftsman.
   这块石头是由一位熟练的工匠雕刻而成的。
3. 3. The ancient ruins are still standing today, as if they were never destroyed.
   古老的遗迹至今仍然屹立不倒，仿佛从未被摧毁过。