Lewis acid

例句：

1. 1. The Lewis acid is a strong reagent that reacts with many substances.
   路易斯酸是一种强反应剂，可以与许多物质发生反应。
2. 2. The Lewis acid has been used in various chemical reactions to produce new compounds.
   路易斯酸在各种化学反应中被用来产生新的化合物。
3. 3.The Lewis acid is responsible for the formation of many important compounds in nature.
   路易斯酸是自然界中许多重要化合物形成的原因。