acene

例句：

1. 1.The chemical reaction between the two substances is known as acetone synthesis.
   这两种物质之间的化学反应被称为酮合成。
2. 2.Acid rain can harm plants and animals by lowering the pH of soil.
   酸雨可以通过降低土壤的pH值来损害植物和动物。
3. 3.Acetic acid is commonly used in food preservation and as a solvent for many other chemicals.
   乙酸常用于食品保存和许多其他化学物质的溶剂。