silcurdur

例句：

1. 1. Thesilcurdur was a symbolof the ancient civilization.
   这个硅化物是古代文明的象征。
2. 2. The silcurdur has been studied for its potential applicationsin medicine.
   硅化物已被研究用于其在医学上的潜在应用。
3. 3. Thesilcurdur ismade from a rare mineral foundin the earth's crust.
   硅化物是由地球地壳中一种稀有矿物制成的。