plant detector

例句：

1. 1. The plant detector detected the presence of harmful chemicals in the soil.
   植物探测器检测到土壤中有害化学物质的存在。
2. 2. The plant detector was used to identify the species of plants in the garden.
   植物探测器用于识别花园中的植物种类。
3. 3. The plant detector helped us to locate the source of the pollution in the river.
   植物探测器帮助我们找到了河流污染的源头。