indole test

例句：

1. 1. The indole test is a method used to detect the presence of certain chemicals in soil or water samples.
   吲哚试验是一种用于检测土壤或水样中某些化学物质的方法。
2. 2. The indole test was used to identify the source of the smell in the room.
   吲哚试验被用来识别房间里气味的来源。
3. 3.The indole test is important for determining the presence of bacteria and fungi in food products.
   吲哚试验对于确定食品产品中的细菌和真菌的存在非常重要。