pinacol

例句：

1. 1. Thedoctor prescribed a medication to help with thepain.
   医生开了一种药来帮助缓解疼痛。
2. 2.The alcohol content in wine is high.
   葡萄酒中的酒精含量很高。
3. 3. Ethanol is abyproduct of fermentation and isused as a fuel.
   乙醇是发酵的副产品，被用作燃料。