safranine test

例句：

1. 1. The company conducted a safranine test on the water samples collected from the river to detect anycontamination.
   该公司对从河流收集的水样进行了苏丹红检测，以检测任何污染。
2. 2. In the laboratory, the safranine test is used to identify the presence of malaria parasites in blood samples.
   在实验室中，苏丹红测试用于识别血液中疟原虫的存在。
3. 3. The safranine test is a sensitive method for detecting trace amounts of pollutants in water and soil.
   苏丹红测试是一种灵敏的方法，用于检测水和土壤中的微量污染物。