选样

例句：

1. 1. We need to take a sample of the soil from the field.
   我们需要从田地里取一个土壤样本。
2. 2. The company samples its products before they are sold.
   该公司在产品出售前会进行样品测试。
3. 3.The scientist collected several samples for further analysis.
   科学家收集了几个样本以便进一步分析。