sample time point

例句：

1. 1. The engineer sampled thenew product before making a final decision.
   工程师在做出最终决定前先试用了新产品。
2. 2. The company is testing a new machineto ensure it works as expected.
   公司正在测试一台新机器，以确保它按预期工作。
3. 3. The scientist sampled soil fromdifferent locations for analysis.
   科学家从不同地点采集土壤进行分析。