petrification

例句：

1. 1. The ancient city has been petrified by the eons of time.
   这个古老的城市被岁月的沧桑石化了。
2. 2. The dinosaur fossils are a testament to the long-lost age of dinosaurs.
   这些恐龙化石是恐龙早已消失时代的见证。
3. 3. The process of petrification is slow and requires careful handling.
   石化的过程缓慢且需要小心处理。