Ptetica cristulata

例句：

1. 1. The platinum is a precious metal that shines brilliantly under the sun.
   铂金是一种在阳光照射下闪耀的珍贵金属。
2. 2. This platinum ring is worth thousands of dollars.
   这个铂金戒指价值数千美元。
3. 3. The platinum jewelry was made by a famous jeweler.
   这件铂金珠宝是由一位著名的珠宝商制作的。