benzal

例句：

1. 1. Benzalic acid is a common chemical compound used in pharmaceuticals.
   苯甲酸是一种常见的化学化合物，用于制药。
2. 2. The benzal was found to have antimicrobial properties.
   这种苯甲酸被发现具有抗菌性质。
3. 3. Benzalic acid is used as an additive in food preservatives.
   苯甲酸用作食品防腐剂的添加剂。