perfectly plastic material

例句：

1. 1. The new car has aperfectly plastic exterior.
   这辆新车有一个完美的塑料外观。
2. 2. The company uses perfectly plastic materialsfor its packaging.
   该公司使用完美塑料材料进行包装。
3. 3. The scientist used perfectly plastic materialto make the experiment more accurate.
   科学家使用完美塑料材料使实验更加准确。