acidulin

例句：

1. 1. The acidulent soil is suitable for growing vegetables.
   这种酸性土壤适合种植蔬菜。
2. 2. Acidulent substances can be harmful to the environment.
   酸性物质对环境有害。
3. 3. The acidulent solution will dissolve the metal quickly.
   这种酸性溶液会迅速溶解金属。