refined anthracene

例句：

1. 1.This refined anthracene is used in the production of electronic devices.
   这种精细蒽用于生产电子器件。
2. 2. The refined anthracene has a high melting point and can be used as a lubricant.
   这种精细蒽具有高熔点，可以用作润滑剂。
3. 3. The refined anthracene is a rare and valuable material that is used in various industries.
   这种精细蒽是一种稀有且宝贵的材料，被用于各种行业。