酸性试验

例句：

1. 1. The chemical company conducted an acid test on the water samples collected from the river.
   这家化学公司对从河流收集的水样进行了酸性测试。
2. 2. The doctor performed an acid test to determine the cause of her stomach pain.
   医生做了酸性测试以确定她的胃痛原因。
3. 3. The scientist used an acid test to detect trace amounts of mercury in the soil.
   科学家使用酸性测试来检测土壤中微量汞的存在。