抽样 (chōu yàng): mẫu

The quality inspector randomly sampled from a newly produced batch of batteries to test their capacity and safety.

To understand citizens' views on the new park, the research company sampled and interviewed one thousand residents across the city.

The researchers conducted a sampling analysis on the collected blood samples and found that some of them contained a certain antibody.

In statistics class, the teacher taught us how to scientifically sample from a population to ensure the reliability of research results.

The food safety department conducted a sampling inspection of vegetables in supermarkets and found that a few samples had excessive pesticide residues.